The server is under maintenance between 08:00 to 12:00 (GMT+08:00), and please visit later.
We apologize for any inconvenience caused
Login  | Sign Up  |  Oriprobe Inc. Feed
China/Asia On Demand
Journal Articles
Laws/Policies/Regulations
Companies/Products
Bookmark and Share
wo xiang fa ming
Author(s): 
Pages: 22
Year: Issue:  5
Journal: 同学(少儿版)

Abstract: <正>迷你黑板我想发明一种“迷你黑板”。这样,老师在讲课的时候,手里拿着一个和橡皮一般大的擦字机,上面有个按钮。1号按钮是擦铅笔字的,2号按钮是擦钢笔字以及圆珠笔字的, 3号按钮是擦粉笔字的,若是老师在迷你黑板上写错字,就把擦字机和这个字对准,按一下3号键就可以了,这样老师和同学们擦黑板就方便多了。
Related Articles
No related articles found