Word assisted memory device that college english teaching was used

The utility model provides a word assisted memory device that college english teaching was used. The utility model relates to a word assisted memory device that college english teaching was used. The back surface connected sprocket of box (1), the sprocket include sprocket one number (8) and sprocke...

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Bibliographische Detailangaben
1. Verfasser: YUAN GUANGBIN
Format: Patent
Sprache:eng
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Zusammenfassung:The utility model provides a word assisted memory device that college english teaching was used. The utility model relates to a word assisted memory device that college english teaching was used. The back surface connected sprocket of box (1), the sprocket include sprocket one number (8) and sprocket two numbers (9), sprocket one number (8) connect and be in the upper end of rear surface of box (1), sprocket two numbers (9) connect and be in the lower extreme of rear surface of box (1), sprocket one number (8) with sprocket two numbers (9) pass through chain (2) be connected, sprocket one number (8) connect pivot two numbers (10), sprocket two numbers (9) connect pivot three numbers (11), pivot one number (6) the surface orientation lever (7) pivot two numbers (10) with pivot three numbers (11) all cooperate word area (4) use. The utility model is used for the word assisted memory.