English tense demonstrator
A demonstrator and tense technology, which is applied in the field of English tense demonstrators, can solve problems such as difficulties, difficulty in mastering, complex verbs, etc., and achieve the effects of reasonable design, convenient use, and simple structure
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[0013] Accompanying drawing is a kind of specific embodiment of the present invention. This embodiment comprises demonstrator shell 1, and described demonstrator shell 1 is divided into three parts equally, is respectively past tense demonstration box, present tense demonstration box and future tense demonstration box from left to right, three demo box interiors All are provided with a data memory 10; the top of the demonstrator shell 1 has an opening 6 from the left end to the right end, and the left and right lines of the opening 6 are metal slide rails 7; the opening 6 is provided with a sliding figure 8, and the sliding The bottom of the villain 8 is a metal circular bracket 9, and the circular bracket 9 is fastened with the metal slide rail 7; the left end of the demonstrator shell 1 is provided with a player 2, and the upper right end is provided with a display screen 3. The lower end of the screen 3 is provided with a switch 4 and a control button 5; The player 2, the ...
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