动词：介绍；引进；采用；提出；提倡；放入  

1、介绍,引见

It is my pleasure to introduce tonight’s speaker.  

我很荣幸来介绍今晚的演讲者。  

2、引进;传入;采用(+to/into)

Coffee was introduced into England from the Continent.

咖啡是从欧洲大陆传入英国的。

3、提出;制定;推行

The vice chairman introduced a topic for discussion.

副主席提出议题供大家讨论。

4、作为...的开始;引出

He introduced his speech with an anecdote.

他说了一则轶闻作为讲话的引子。