English word learning device
A learning device and vocabulary technology, applied in the direction of educational appliances, instruments, teaching aids, etc., can solve the problems of single structure and effect, inability to effectively stimulate students' enthusiasm for learning English, and poor auxiliary learning effects, etc., to achieve ingenious structure and conception Novel and practical effect
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[0012] The specific implementation manners of the present invention will be described in further detail below in conjunction with the accompanying drawings.
[0013] Depend on Figure 1 to Figure 5 It can be seen that the present invention includes a U-shaped cavity 1 with both ends being open and facing backwards. A hollow tube 2 is fixed in the middle of the front end of the U-shaped cavity 1. The outer circle of the hollow tube 2 A flat hourglass structure 3 made of transparent material is connected to the surface for rotation, and a vertical through-groove 4 is provided on the hollow tube 2. When the two cavities on the hourglass structure 3 rotate to vertical The through groove 4 is connected, and a plunger 5 is arranged in the hollow tube 2. Pulling the plunger 5 outward can increase the flow area of the through groove 4. The middle position of each cavity of the hourglass structure 3 is provided with a transparent strip The solid part 6, the length of the solid part ...
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