introduce
/ˌɪntrəˈdjuːs/verb
with obj.
1
- （常作 be introduced）bring (something, especially a product, measure, or concept) into use or operation for the first time（首次）推行, 采用, 采取（尤指产品, 措施或概念）：
various new taxes were introduced
开征多种新税
with obj. and infinitive measures were introduced to help families with children.采取措施帮助有孩子的家庭。
1.1
introduce something to
bring a subject to the attention of (someone) for the first time引进, 首次推荐：the programme is a bid to introduce opera to the masses.
该计划尝试把歌剧推向普通大众。
1.2
- present (a new piece of legislation) for debate in a legislative assembly提出（新法案）供立法机构讨论。
1.3
- bring (a new plant, animal, or disease) to a place and establish it there引进, 引入, 传入（新物种或疾病）：
he introduced the mangel-wurzel to Britain as a fodder crop.
他把甜菜作为一种饲料作物引入了英国。
2
- make (someone) known by name to another in person, especially formally（尤指正式地）介绍, 引见：
I hope to introduce Jenny to them very soon.
我希望很快把珍妮介绍给他们。
3
- insert or bring into something插入, 纳入, 添入, 引入：
a device which introduces chlorine into the pool automatically.
把氯气自动输入池内的装置。
4
- occur at the start of; open在…开始时发生; 开始, 引出, 作为…的开头：
a longer, more lyrical opening which introduces a courting song.
一段更长也更抒情的前奏引出一首求爱歌曲。
4.1
- (of a person) provide an opening explanation or announcement for (a television or radio programme, book, etc.)（指人）为（电视或广播节目、书等）作开场白; 作介绍。
派生词
introducer
noun词源
late Middle English （in the sense 'bring (a person) into a place or group'）： from Latin introducere, from intro- 'to the inside' + ducere 'to lead'.