introduction [ˌɪn.trə'dʌk.ʃən] noun PUT INTO USE 采用 ESSENTIAL uncountable ■when something is put into use or brought to a place for the first time 采用;引进;推行;放入,插入•The introduction of new working practices has dramatically improved productivity.采用新的工作方法已经显著提高了生产率。 •Within a few years of their introduction, CDs were outselling vinyl records.雷射唱片在推出几年后,销量就超过了黑胶唱片。 •specialized The introduction of the tube into the artery is a very delicate procedure.将导管插入动脉是一个非常精细的手术。 [ˌɪn.trə'dʌk.ʃən] noun MAKE KNOWN 使为人所知 ESSENTIAL countable or uncountable ■the action of telling someone another person's name the first time that they meet 介绍,引见•You'll have to do/make the introductions - I don't know everyone's name.你要作个介绍——我可不知道每个人的名字。 •My next guest needs no introduction (= is already known to everyone).我的下一位客人大家都认识,就用不着介绍了。 [ˌɪn.trə'dʌk.ʃən] noun BEGINNING 开始 countable ■the first part of something 开始•Have you read the introduction to the third edition?你看了第三版的绪论吗? •The song's great, but the introduction's a bit too long.这首歌很棒,但前奏部分太长了。 |