introduction [ˌɪntrəˈdʌkʃən]

例句:

• The camera has undergone only two minor tweaks since its introduction.
  那款相机自从推出以来仅经过两次小的改进。
  
• 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。
  
• With a smile, he makes introductions all round.
  他微笑着将在场的人一一作了介绍.
  
• The violence ended with the introduction of Russian peacekeepers.
  来自BBC
• "Daddy Fox" provides a suitably rousing introduction.
  来自BBC
• Millions of words have been written about the introduction of the euro.
  有关采用欧元的文章已经有很多。
  
• Govts could help by subsidising the introduction at first.
  来自SA
• The introduction tells you how to use the book.
  引言告诉你怎样使用这本书。
  来自《权威词典》
• The fox is a relatively recent introduction in that country.
  狐狸是新近引入那个国家的物种。
  来自《权威词典》