名词介绍; 引言，导言; 采用，引进; 新采用的东西
名词
1. The government saw the introduction of new technology as vital.
政府认为引进新技术至关重要。
2. Television is a later introduction than radio.
电视的使用迟于无线电。
3. He was shaking her hand before I could finish the introduction.
未等我介绍完，他就在握她的手了。
4. The introduction of new advanced techniques in the factory is under discussion today.
在工厂采用新的先进技术的问题是今天的议题。
介绍信
A：I have a letter of introduction here.
我这儿有一封介绍信。
B：Your name, please？
请问贵姓大名？
A：It‘s David Chou.
周大卫。
B：Oh, yes, Mr. Chou. We‘ve been looking forward to this.
啊，周先生，我们一直在等着您来。
3. introduction：intro; (乐曲的)前奏
1. 引言;序言;导论
The introduction to a book or talk is the part that comes at the beginning and tells you what the rest of the book or talk is about.
e.g. Ellen Malos, in her introduction to 'The Politics of Housework', provides a summary of the debates.
埃伦·马洛斯在她为《家务政治学》一书所作的序言中对这些争论进行了总结。
2. 入门书;初阶读物
If you refer to a book as an introduction to a particular subject, you mean that it explains the basic facts about that subject.
introduction
e.g. On balance, the book is a friendly, down-to-earth introduction to physics.
总而言之,这是一本通俗而务实的物理入门书。
e.g. ...'Psychology and Language: An Introduction to Psycholinguistics'.
《心理学与语言：心理语言学入门》
3. 外来品;新引进的东西
You can refer to a new product as an introduction when it becomes available in a place for the first time.
e.g. There are two among their recent introductions that have greatly impressed me.
在他们最近引进的东西里面有两样给我留下了非常深刻的印象。
4. see also: introduce
5. 众所周知;无需介绍
If you say that someone or something needs no introduction, you mean that they are so well known that everyone knows who or what they are.
e.g. Michael Jackson, of course, needs no introduction.
迈克尔·杰克逊,当然,众所周知。