1. at one time 曾经;一度
例句:Most of us, at one time or another, have been struck with the thought that we might mistake a dream for reality, or reality for a dream.
我们中的大多数都曾经有过这么一种想法:我们可能将一个梦境误认为是现实,或者将现实误认为是梦境 。
2. key pal 笔友,网友
例句:I have an English- speaking key pal now, and she points out my grammar mistakes.
现在我有了一位英文笔友,她会指出我在文法上所犯的错误 。
3. strike up 建立起(友谊)
例句:The two strike up a unique friendship, even as a string of murders in their small town threaten to tear them apart.
尽管小镇上发生的一连串谋杀可能让他们分开,两人仍然建立起一段特殊的友谊 。
4. keep in contact 保持联系
例句:She says its success is down to the simple action of establishing an "e-group" for journalists, enabling them to keep in contact, discuss issues and exchange articles.
她说它的成功归功于建立一个记者的“网群”的简单行动,这让他们可以保持联系,讨论问题并交换文章 。
n. 线,一串,字串
vt. 串起,成串,收紧