1.extraterrestrial：a. 来自外星的

2.extremism：n. （政治上）极端主义，过激论

3.extricate：v. 解救，使摆脱，释放

The meeting seemed to be endless, but I extricated myself by saying I had to catch a plane.（会议好象没完没了,不过我说我得赶飞机,才得以脱身。）

4.exult：v. 狂喜，欢腾

The people all over the country exulted in the success in launching a new satellite.（全国人民为成功地发射了一颗新的人造卫星而欢欣鼓舞。）

5.craven：a. 怯懦的，胆小的

I had no doubt that the craven fellow would be only too pleased to back out.（我毫不怀疑那个胆小的家伙巴不得撒手退出呢。）

小编注：only too…to…非常……做……

6.cremate：v. 火化，火葬

He wants to is cremated, not buried.(他要火葬,不要土葬。)

7.culminate：v. 达到顶点（高潮），以…告终

culminate in 达到…高峰，终于

8.culprit：n. 罪犯，犯法者

9.cult：n.1. 狂热崇拜，邪教2. 时尚，风靡一时的喜好、事物

10.cumbersome：a. 笨重的

It’s rather cumbersome having to carry all these cases around.(把这些箱子都带着走动是件相当麻烦的事。)