introduce的含义及例句：
1、介绍,引见(+to)：
It was my younger brother who introduced me to jazz.
是我的弟弟介绍我听爵士乐的。
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 of the committee introduced a topic for discussion.
委员会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。