international centre for science-teaching development and demonstration
Related Translations:
示范: set an example; demonstrate 短语和例子起示范作用 play an exemplary role; 我先做给你看如何击球, 然后你必须照我的示范去做。 i'll show you how to hit the ball and then you must copy [follow] my example.; 示范产品 demo; 示范飞行 demo
