CN108109438B - A kind of English word interesting teaching plate - Google Patents
A kind of English word interesting teaching plate Download PDFInfo
- Publication number
- CN108109438B CN108109438B CN201711478703.5A CN201711478703A CN108109438B CN 108109438 B CN108109438 B CN 108109438B CN 201711478703 A CN201711478703 A CN 201711478703A CN 108109438 B CN108109438 B CN 108109438B
- Authority
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- China
- Prior art keywords
- gear
- rotation axis
- display board
- english word
- shield
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Classifications
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- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09B—EDUCATIONAL OR DEMONSTRATION APPLIANCES; APPLIANCES FOR TEACHING, OR COMMUNICATING WITH, THE BLIND, DEAF OR MUTE; MODELS; PLANETARIA; GLOBES; MAPS; DIAGRAMS
- G09B1/00—Manually or mechanically operated educational appliances using elements forming, or bearing, symbols, signs, pictures, or the like which are arranged or adapted to be arranged in one or more particular ways
- G09B1/02—Manually or mechanically operated educational appliances using elements forming, or bearing, symbols, signs, pictures, or the like which are arranged or adapted to be arranged in one or more particular ways and having a support carrying or adapted to carry the elements
- G09B1/16—Manually or mechanically operated educational appliances using elements forming, or bearing, symbols, signs, pictures, or the like which are arranged or adapted to be arranged in one or more particular ways and having a support carrying or adapted to carry the elements the elements each bearing a plurality of different symbols, signs, or combinations of symbols and signs, only one symbol, sign, or combination thereof, of each element to be used at a time
- G09B1/24—Manually or mechanically operated educational appliances using elements forming, or bearing, symbols, signs, pictures, or the like which are arranged or adapted to be arranged in one or more particular ways and having a support carrying or adapted to carry the elements the elements each bearing a plurality of different symbols, signs, or combinations of symbols and signs, only one symbol, sign, or combination thereof, of each element to be used at a time the elements being in flexible strip form, e.g. endless bands
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- Engineering & Computer Science (AREA)
- Business, Economics & Management (AREA)
- Physics & Mathematics (AREA)
- Educational Administration (AREA)
- Educational Technology (AREA)
- General Physics & Mathematics (AREA)
- Theoretical Computer Science (AREA)
- Displays For Variable Information Using Movable Means (AREA)
Abstract
A kind of English word interesting teaching plate, it is low that effective solution student learns word interest, the problems such as influencing quality of instruction, using partial gear engaging mechanism, and then control sleeve can slide axially but also intermittent rotary, clever structure, going barrel both can guarantee the stationarity of rotation axis, it can guarantee that direction of rotation resets rapidly again, utilize rack-and-pinion, the effectively opening and closing of control shield, increase the interest of student's study, it is convenient and practical, save the time, it can upper and lower simultaneous display, student's pronunciation is facilitated to learn, energy single window is shown again, student memory is facilitated to write from memory, it improves the quality of teaching, with very high potential value.
Description
Technical field
The present invention relates to English-teaching aid technical fields, more particularly to a kind of English word interesting teaching plate.
Background technique
English is international specified official language, and widest first language in the world, and the study of English is at us
Life in more important, currently, the vocabulary of English word is for studying English and the good of English Score fast rises
Vital effect, so student is particularly important in the memory of the Chinese-English language word of English study, in English teaching, especially
It is beginner, need from it is simple letter and word start with, present teaching method be on blackboard repeated writing letter and
Word, this method is not only dry as dust, and many students are easy absent-minded, cannot interact with teacher, seriously affect student's
Learning interest, to influence quality of instruction, while existing some word-teaching teaching aids are using nor easily, always
Teacher operates cumbersome.
It is therefore desirable to which a kind of English word interesting teaching plate solves the problems, such as this.
Summary of the invention
For above situation, for the defect for overcoming the prior art, the purpose of the present invention is just to provide a kind of English word interest
Taste board of education, it is low that effective solution student learns word interest, the problems such as influencing quality of instruction, increase teacher burden.
Its technical solution solved is that the present invention includes display board, and display board left and right ends are equipped with rotatable roller, roller
Cylinder upper end is wound with English word band, and roller lower end is wound with Chinese language words band, and display board upper end is equipped with and English word band pair
The first window answered, first window front end are equipped with the first shield being slidably connected with display board, and display board lower end is equipped with and Chinese
Corresponding second window of word band, the second window front end are equipped with the second shield being slidably connected with display board；
Display board rear end thereof is connected with the first rotation axis, and the first rotation axis is fixedly arranged at the front end with the first partial gear, the
One the second partial gear of partial gear external toothing, the second partial gear are coaxially fixed with screw rod, and wire rod thread is connected with
Nut slides back and forth in the first rotation axis and is connected with driving lever, and driving lever rotates simultaneously with the first rotation axis, and driving lever both ends are fixed with position
Backing pin on the outside of the first rotation axis, the first rotation axis are connected with toothed disc through bearing, and toothed disc can occur with the first rotation axis
Relatively rotate, toothed disc upper and lower ends are equipped with square groove, and driving lever slides back and forth, and then control backing pin and square groove cooperation or
It disengages, toothed disc external toothing has a first gear, and first gear is coaxially fixed with the second rotation axis, and the second rotation axis slides axially company
Female connector cylinder, sleeve can be rotated synchronously with the second rotation axis, and sleeve left end is equipped with annular groove, be equipped with push rod, push rod in display board
Upper end and annular groove cooperate, and push rod lower end is fixedly connected with nut, be successively fixed on sleeve lower half gear, upper half gear and
Second gear, display board upper end are equipped with the first sliding equipment, and the first sliding equipment includes third gear, and sleeve slides back and forth, on
Half gear or second gear can be engaged with third gear, and the first shield lower end is fixed with the first rack gear engaged with third gear,
Display board lower end is symmetrically arranged with the second sliding equipment, and the second sliding equipment and the first sliding equipment structure are identical.
Structure of the invention is ingenious, using display window is blocked, improves the enthusiasm of study word, is shown by single window
Memory effect is improved, teacher's burden is mitigated.
Detailed description of the invention
Fig. 1 is the schematic diagram of main view of the present invention.
Fig. 2 is the schematic diagram of left view of the present invention.
Fig. 3 is the schematic diagram that the first partial gear is engaged with the second partial gear in the present invention.
Fig. 4 is the schematic diagram of middle gear dish structure of the present invention.
Fig. 5 is the schematic diagram of the partial enlargement structure of A in Fig. 1.
Fig. 6 is the schematic diagram of upper half gear structure in the present invention.
Specific embodiment
Below in conjunction with attached drawing, specific embodiments of the present invention will be described in further detail.
It is provided by Fig. 1 to Fig. 6, a kind of English word display board 1, including display board 1,1 left and right ends of display board are equipped with can
The roller 2 of rotation, 2 upper end of roller are wound with English word band 3, and 2 lower end of roller is wound with Chinese language words band 4,1 upper end of display board
Equipped with first window 5 corresponding with English word band 3,5 front end of first window is equipped with the first shield being slidably connected with display board 1
6,1 lower end of display board is equipped with second window 7 corresponding with Chinese language words band 4, and 7 front end of the second window is equipped with to be slided with display board 1
Second shield 8 of connection；
1 rear end thereof of display board is connected with the first rotation axis 9, and the first rotation axis 9 is fixedly arranged at the front end with the first partial gear
10,10 the second partial gear of external toothing 11 of the first partial gear, the second partial gear 11 is coaxially fixed with lead screw 12, silk
Thick stick 12 is threaded with nut 13, slides back and forth in the first rotation axis 9 and is connected with driving lever 14, and driving lever 14 is same with the first rotation axis 9
When rotate, 14 both ends of driving lever are fixed with the backing pin positioned at the outside of the first rotation axis 9, and the first rotation axis 9 is connected with gear through bearing
Disk 15, toothed disc 15 can relatively rotate with the first rotation axis 9, and 15 upper and lower ends of toothed disc are equipped with square groove 16, driving lever 14
Slide back and forth, and then control backing pin and square groove 16 cooperation or disengagement, when 14 forward slip of driving lever, backing pin and square groove
16 cooperations, toothed disc 15 rotates simultaneously with the first rotation axis 9, and when driving lever 14 slides backward, backing pin and square groove 16 are disengaged, tooth
Wheel disc 15 relatively rotates with the first rotation axis 9, and 15 external toothing of toothed disc has first gear 17, and first gear 17 is coaxially fixed
There is the second rotation axis 18, the second rotation axis 18 is in axial sliding connection sleeve 19, and sleeve 19 can be rotated synchronously with the second rotation axis 18,
19 left end of sleeve is equipped with annular groove, push rod 20 is equipped in display board 1,20 upper end of push rod and annular groove cooperate, under push rod 20
End is fixedly connected with nut 13, and lower half gear 21, upper half gear 22 and second gear 23, display board are successively fixed on sleeve 19
1 upper end be equipped with the first sliding equipment, the first sliding equipment includes third gear 24, and sleeve 19 slides back and forth, upper half gear 22 or
Second gear 23 can be engaged with third gear 24, and 6 lower end of the first shield is fixed with the first rack gear 25 engaged with third gear 24,
1 lower end of display board is symmetrically arranged with the second sliding equipment, and the second sliding equipment and the first sliding equipment structure are identical.
Second sliding equipment includes the 4th gear 26, and sleeve 19 slides back and forth, lower half gear 21 or second gear
23 can engage with the 4th gear 26, and 8 upper end of the second shield is fixedly connected with the second rack gear 27 engaged with the 4th gear 26.
It is successively marked with a graduation mark, b graduation mark and c graduation mark on the lead screw 12, is fixed on nut 13 and scale
The corresponding indicateing arm 28 of line.
First rotation axis 9 is coaxially fixed with the first going barrel 29, and the first going barrel 29 is quickly by the first rotation axis 9
It resets.
Second rotation axis 18 is coaxially fixed with the second going barrel 30, and the second going barrel 30 keeps the second rotation axis 18
Stationarity again can Rapid reset.
First rotation axis 9 is coaxially fixed with ratchet 31, and pawl corresponding with ratchet 31 is fixed on display board 1
32。
The display board 1 is equipped with the guide rail being slidably connected with nut 13.
In the use of the present invention, indicating that the first shield 6 and the second shield 8 can when indicateing arm 28 moves to a graduation mark position
It opens simultaneously, when indicateing arm 28 moves to b graduation mark position, indicates that only the first shield 6 is openable, indicateing arm 28 moves to c
When graduation mark position, indicate that only the second shield 8 is openable, under normal circumstances, the first shield 6 covers first window 5, and second
Shield 8 covers the second window 7, in this way under not learning state, can prevent dust from entering word band, and word band is avoided to damage
It is bad；
When study English word when, the first shield 6 and the second shield 8 need all to open, English word band 3 and Chinese language words
Band 4 could correspond, and indicateing arm 28 is in a graduation mark position, and the first rotation axis 9 is equipped with through slot, and driving lever 14 is in through slot
It can slide back and forth, 14 forward slip of driving lever, backing pin and square groove 16 cooperate, and 31 half-turn of rotating ratchet, ratchet 31 drives first turn
Moving axis 9 rotates, and the first rotation axis 9 drives toothed disc 15 to rotate, and toothed disc 15 drives first gear 17 to rotate, 17 band of first gear
Dynamic second rotation axis 18 rotation, the first partial gear 10 and 11 arc surface of the second partial gear occur to slide relatively, and the
Two partial gears 11 do not rotate, and push rod 20 not will drive sleeve 19 and slide back and forth, and the second rotation axis 18 drives second gear 23
Rotation, second gear 23 drive third gear 24 to rotate, and third gear 24 drives the sliding of the first rack gear 25, and the first rack gear 25 drives
First shield 6 is mobile, and the first shield 6 drives the rotation of the 4th gear 26, the 4th tooth far from first window 5, second gear 23 simultaneously
Wheel 26 drives the sliding of the second rack gear 27, and it is mobile that the second rack gear 27 drives the second shield 8, and then the second shield 8 is far from the second window
7, since the diameter of toothed disc 15 is slightly less than the diameter of first gear 17, toothed disc 15 rotates half-turn, can drive first gear 17
Rotation is less than half-turn, and 23 diameter of second gear is much larger than 24 diameter of third gear, increases the turnning circle of third gear 24,
The first shield 6 is enough to ensure that completely away from first window 5, third gear 24 is identical with 26 modulus gear of the 4th gear, and second hides
Plate 8 can also show that Chinese language words band 4 is aobvious in the second window 7 in first window 5 completely away from the second window 7, English word band 3
Show, and word content is completely corresponding, learn other words if necessary, rotates roller, first window 5 and the second window 7
Flowable other words of display and the Chinese meaning；
Study finishes, and needs to remember certain words, when needing English word to show, when Chinese language words block, by driving lever 14
It is slided backward in through slot, backing pin and square groove 16 are detached from, and toothed disc 15 is connect with the first rotation axis 9 through bearing, in the second hair
Under the action of barrel 30, the second rotation axis 18 resets rapidly, and first gear 17 drives toothed disc 15 to reset, in the effect of pawl 32
Under, the first rotation axis 9 does not rotate, after the first shield 6 and the second shield 8 reset completely, it is further continued for rotating ratchet 31, first
Rotation axis 9 rotates, and toothed disc 15 does not rotate under 30 collective effect of first gear 17 and the second going barrel, and first not
Complete gear 10 starts to engage with the second partial gear 11, and the reference diameter of the first partial gear 10 is endless less than second
All gear 11, one circle of the first partial gear 10 rotation drive 1/3 circle of the second partial gear 11 rotation, the second partial gear
11 drive lead screw 12 to rotate, and display board is equipped with the guide rail being slidably connected with nut；Lead screw 12 drives 13 forward slip of nut, therefore
Push rod 20 is with 19 forward slip of moving sleeve, when indicateing arm 28 moves to b graduation mark, the first partial gear 10 and second endless
The engagement of all gear 11 terminates, then by driving lever 14 along through slot forward slip, backing pin can still cooperate with square groove 16, continue to rotate half-turn
First rotation axis 9, the first rotation axis 9 drive toothed disc 15 to rotate, and toothed disc 15 drives first gear 17 to rotate, first gear 17
The second rotation axis 18 is driven to rotate, the first partial gear 10 is made of half gear and semicircle cambered surface, therefore the second partial gear
11 do not rotate at this time, and push rod 20 not will drive sleeve 19 and slide back and forth, and the second rotation axis 18 drives upper half gear 22 to rotate,
Upper half gear 22 only drives third gear 24 to rotate, and the rotation of the second rotation axis 18 is less than half-turn, and upper half gear 22 will not be with the 4th
Gear 26 engages, and third gear 24 drives the sliding of the first rack gear 25, and the first rack gear 25 drives the first shield 6 far from the first window
Mouth 5, at this point, English word band 3 shows that Chinese language words band 4 cannot but be shown at first window 5, facilitates student according to English
Word writes from memory the Chinese meaning；
When needing English word to block, when Chinese language words are shown, driving lever 14 is slided backward along through slot, driving lever 14 with it is rectangular
Slot 16 is detached from, and under the action of the second going barrel 30, the second rotation axis 18 resets rapidly, and the first shield 6 and the second shield 8 are also multiple
Position, is further continued for rotating ratchet 31, and the first partial gear 10 and the second partial gear 11 start to engage, and lead screw 12 drives nut
13 forward slips, push rod 20 is with 19 forward slip of moving sleeve, when indicateing arm 28 moves to c graduation mark, lower half gear 21 and
The engagement of four gears 26, at this time by 14 forward slip of driving lever, backing pin can still cooperate with square groove 16, continue to rotate 31 half-turn of ratchet,
First rotation axis 9 drives toothed disc 15 to rotate, and toothed disc 15 drives first gear 17 to rotate, and first gear 17 drives the second rotation
Axis 18 rotates, and the first partial gear 10 and the engagement of the second partial gear 11 terminate, and it is sliding that push rod 20 not will drive sleeve 19
Dynamic, lower half gear 21 only drives the 4th gear 26 to rotate, and for the rotation of the second rotation axis 18 less than half-turn, lower half gear 21 will not be with the
Three gears 24 engage, and the 4th gear 26 drives the sliding of the second rack gear 27, and the second rack gear 27 drives the second shield 8 far from second
Window 7, at this point, Chinese language words band 4 shows that English word band 3 cannot but be shown, facilitate student according to the Chinese at the second window 7
Language word, writes from memory English word；
Memory terminates, and needs to check answer, and driving lever 14 slides backward, and backing pin is detached from square groove 16, and the second rotation axis 18 exists
It is resetted under the action of second going barrel 30, corresponding shield also resets, then opens pawl 32, in the effect of the first going barrel 29
Under, the first rotation axis 9 resets, and the first partial gear 10 drives the second partial gear 11 to reset, and indicateing arm 28 is located at a scale
Line position, then the backing pin on driving lever 14 is cooperated with toothed disc 15, the first rotation axis 9 is rotated, the first shield 6 can be opened simultaneously
With the second shield 8, if study finishes, driving lever 14 and square groove 16 are detached from, then open pawl 32, so that it may be realized all quick
It automatically resets.
The more traditional device of the present invention has following benefit: 1) using partial gear engaging mechanism, and then control sleeve was both
Can slide axially but can intermittent rotary, clever structure；2) the second going barrel not only can guarantee the stationarity of the second rotation axis, but also can protect
Card direction of rotation resets rapidly；3) easy to operate, by controlling the sliding of driving lever, and then control replying immediately fastly for the second rotation axis
Position, it is practical；4) rack-and-pinion is utilized, the opening and closing of shield are effectively controlled, increases the interest of student's study.
Structure of the invention is ingenious, convenient and practical, save the time, can upper and lower simultaneous display, facilitate student's pronunciation learn, again
Energy single window is shown, is facilitated student memory to write from memory, is improved the quality of teaching, and has very high potential value.
Claims (7)
1. a kind of English word interesting teaching plate, including display board (1), which is characterized in that display board (1) left and right ends are equipped with can
The roller (2) of rotation, roller (2) upper end are wound with English word band (3), and roller (2) lower end is wound with Chinese language words band (4),
Display board (1) upper end is equipped with first window (5) corresponding with English word band (3), and first window (5) front end is equipped with and display board
(1) the first shield (6) being slidably connected, display board (1) lower end are equipped with the second window (7) corresponding with Chinese language words band (4), the
Two windows (7) front end is equipped with the second shield (8) being slidably connected with display board (1)；
Display board (1) rear end thereof is connected with the first rotation axis (9), and the first rotation axis (9) is fixedly arranged at the front end with the first incomplete tooth
It takes turns (10), the first partial gear (10) external toothing has the second partial gear (11), and the second partial gear (11) is coaxially solid
Surely have lead screw (12), lead screw (12) is threaded with nut (13), is slid back and forth in the first rotation axis (9) and is connected with driving lever
(14), driving lever (14) rotates simultaneously with the first rotation axis (9), and driving lever (14) both ends are fixed on the outside of the first rotation axis (9)
Backing pin, the first rotation axis (9) is connected with toothed disc (15) through bearing, and with the first rotation axis (9) phase can occur for toothed disc (15)
To rotation, toothed disc (15) upper and lower ends are equipped with square groove (16), and driving lever (14) slide back and forth, so control backing pin with it is rectangular
The cooperation or disengagement of slot (16), toothed disc (15) external toothing have first gear (17), and first gear (17) is coaxially fixed with second
Rotation axis (18), the second rotation axis (18) are in axial sliding connection sleeve (19), and sleeve (19) can be synchronous with the second rotation axis (18)
Rotation, sleeve (19) left end are equipped with annular groove, are equipped with push rod (20), push rod (20) upper end and annular groove in display board (1)
Cooperation, push rod (20) lower end are fixedly connected with nut (13), and lower half gear (21), upper half gear are successively fixed on sleeve (19)
(22) and second gear (23), display board (1) upper end are equipped with the first sliding equipment, and the first sliding equipment includes third gear
(24), sleeve (19) slides back and forth, and upper half gear (22) or second gear (23) can be engaged with third gear (24), the first shield
(6) lower end is fixed with the first rack gear (25) engaged with third gear (24), and display board (1) lower end is symmetrically arranged with the second skate machine
Structure, the second sliding equipment and the first sliding equipment structure are identical.
2. a kind of English word interesting teaching plate according to claim 1, which is characterized in that second sliding equipment
Including the 4th gear (26), sleeve (19) is slid back and forth, and lower half gear (21) or second gear (23) can be with the 4th gears (26)
Engagement, the second shield (8) upper end is fixedly connected with the second rack gear (27) engaged with the 4th gear (26).
3. a kind of English word interesting teaching plate according to claim 1, which is characterized in that on the lead screw (12) according to
Secondary label has graduation mark, b graduation mark and c graduation mark, and indicateing arm (28) corresponding with graduation mark is fixed on nut (13).
4. a kind of English word interesting teaching plate according to claim 1, which is characterized in that first rotation axis
(9) it is coaxially fixed with the first going barrel (29), the first going barrel (29) quickly resets the first rotation axis (9).
5. a kind of English word interesting teaching plate according to claim 1, which is characterized in that second rotation axis
(18) it is coaxially fixed with the second going barrel (30), the second going barrel (30) keeps the stationarity of the second rotation axis (18) again can be quickly
It resets.
6. a kind of English word interesting teaching plate according to claim 1, which is characterized in that first rotation axis
(9) it is coaxially fixed with ratchet (31), pawl (32) corresponding with ratchet (31) is fixed on display board (1).
7. a kind of English word interesting teaching plate according to claim 1, which is characterized in that on the display board (1)
Equipped with the guide rail being slidably connected with nut (13).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711478703.5A CN108109438B (en) | 2017-12-29 | 2017-12-29 | A kind of English word interesting teaching plate |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711478703.5A CN108109438B (en) | 2017-12-29 | 2017-12-29 | A kind of English word interesting teaching plate |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108109438A CN108109438A (en) | 2018-06-01 |
| CN108109438B true CN108109438B (en) | 2019-08-06 |
Family
ID=62214931
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711478703.5A Expired - Fee Related CN108109438B (en) | 2017-12-29 | 2017-12-29 | A kind of English word interesting teaching plate |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108109438B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109191931B (en) * | 2018-10-12 | 2021-03-09 | 青岛黄海学院 | English learning machine capable of teaching through lively activities |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4583951A (en) * | 1985-02-18 | 1986-04-22 | Foundation Korea Campus Crusade for Christ | Roll-type learning aid apparatus for reading and memorizing |
| CN103177632A (en) * | 2011-12-23 | 2013-06-26 | 戴杰 | Teaching aid for English word stenography |
| CN204303210U (en) * | 2014-12-24 | 2015-04-29 | 渤海大学 | For the instructional device of English word translation |
| CN206021578U (en) * | 2016-06-22 | 2017-03-15 | 林春香 | A kind of novel English teaching aid |
| CN206400793U (en) * | 2016-12-29 | 2017-08-11 | 新乡职业技术学院 | A kind of English teaching word high efficient memory device |
| CN206441407U (en) * | 2017-02-10 | 2017-08-25 | 长沙医学院 | A kind of memorizing english wordses plate |
| CN206757954U (en) * | 2017-04-11 | 2017-12-15 | 江西科技师范大学 | A kind of Portable English word memory backing |
-
2017
- 2017-12-29 CN CN201711478703.5A patent/CN108109438B/en not_active Expired - Fee Related
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4583951A (en) * | 1985-02-18 | 1986-04-22 | Foundation Korea Campus Crusade for Christ | Roll-type learning aid apparatus for reading and memorizing |
| CN103177632A (en) * | 2011-12-23 | 2013-06-26 | 戴杰 | Teaching aid for English word stenography |
| CN204303210U (en) * | 2014-12-24 | 2015-04-29 | 渤海大学 | For the instructional device of English word translation |
| CN206021578U (en) * | 2016-06-22 | 2017-03-15 | 林春香 | A kind of novel English teaching aid |
| CN206400793U (en) * | 2016-12-29 | 2017-08-11 | 新乡职业技术学院 | A kind of English teaching word high efficient memory device |
| CN206441407U (en) * | 2017-02-10 | 2017-08-25 | 长沙医学院 | A kind of memorizing english wordses plate |
| CN206757954U (en) * | 2017-04-11 | 2017-12-15 | 江西科技师范大学 | A kind of Portable English word memory backing |
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| Publication number | Publication date |
|---|---|
| CN108109438A (en) | 2018-06-01 |
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