趣英语 / demonstrations例句

demonstrations例句

Demonstrations, films, and videotapes are shown for your edification.
采用了演示及播放电影和录像带的形式，以起到教育作用。

Lectures will be interspersed with practical demonstrations.
讲课中将不时插入实际示范。

The scientist elucidated his theory by three simple demonstrations.
这位科学家以三个简单的实例来说明他的理论.

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