preface
英 [ˈprefəs] 美 [ˈprefəs]
（书的）前言、序言；为…写序言、作为…的开端（或序幕）
- In his preface, the author says that he took eight years to write the book.
在前言中，作者说他写这本书用了8年。 - We're hoping these talks could be a preface to peace.
我们希望这些会谈能拉开和平的序幕。 - Each work is prefaced by a descriptive note and concludes with an author's note.
每一作品都以说明性文字作开端，以作者自己的批注为结尾。 - I should like to preface my response with the following observation.
我想以以下评论作为我回应的开头。
preview
英 [ˈpriːvjuː] 美 [ˈpriːvjuː]
预映、预演、预展；（报刊上有关电影、电视节目等的）预先评述、预告；为（影视节目）写预评；【美式英语】概述、扼要介绍
- a press preview (= for journalists only)
招待新闻界的预展 - a special preview of our winter fashion collection
我们冬季时装系列的特别预展 - Turn to page 12 for a preview of next week's programmes.
下周节目预告请见第12页。 - The exhibition was previewed in last week's issue.
本刊上周对展览作了预评。 - The professor previewed the course for us.
教授为我们扼要介绍了这门课程。
precede
英 [prɪˈsiːd] 美 [prɪˈsiːd]
在……之前发生（或出现）、先于；走在……前面
- the years preceding the war
战前的几年 - His resignation was preceded by weeks of speculation.
在他辞职之前，有关的猜测已持续了几个星期。 - She preceded him out of the room.
她先于他走出屋子。
preclude
英 [prɪˈkluːd] 美 [prɪˈkluːd]
【正式用语】使行不通、阻止、妨碍、排除
- His contract precludes him from discussing his work with anyone outside the company.
合同中禁止他与公司外的人谈论工作。 - The fact that your application was not successful this time does not preclude the possibility of you applying again next time.
这次申请失败并不妨碍你下次再申请。
