to put something into use, operation, or a place for the first time

Apple has sold many millions of iPods since the product was introduced in 2001. 自从2001年首次推出该产品以来，苹果公司已经售出了成百上千万台iPod。

Such unpopular legislation is unlikely to be introduced before the next election. 如此不受欢迎的立法不可能在下次选举之前提出。

specialized The tube which carries the laser is introduced into the abdomen through a small cut in the skin. 传送激光的导管通过皮肤上的小切口插入腹部。

to tell someone another person's name the first time that they meet

I'd like to introduce my son, Mark. 我想介绍一下我的儿子马克。

Have you two been introduced (to each other)? 介绍你们俩认识了吗？

to be the beginning of something

A haunting oboe solo introduces the third movement of the concerto. 协奏曲第三乐章以一段摄人心魄的双簧管独奏开始。

to speak or write before the beginning of a performance, programme or book and give information about it; to tell an audience about the person who is going to speak, sing, etc.

The director will introduce the film personally at its premiere. 导演将在这部影片的全球首映式上亲自推介该片。

This is the first official biography of her and it is introduced by her daughter. 这是她的第一部正式传记，由其女儿作序。

I'd now like to introduce our next guest, who will be singing songs from her latest album. 现在我想介绍我们的下一位嘉宾，她将为我们演唱她最新大碟里的歌曲。

introduce someone to something 使（某人）初次经历，使（某人）首次体验