201. negligible a. 可以忽略不计的 the ~ cost

202. norm n. 标准 reach the ~

203. notable a. 著名的

204. notorious a. 臭名昭著的 If one has a scandal, hebecomes ~

205. nourish v. 养育

206. obedient a. 顺从的 If you are ready to obey orders,you are ~

207. obscure a. 费解的，模糊不清的；不著名的>Is the sentencestill ~ to you?/ His name was ~ 3

years ago.

208. odor n. 气味 I smelt a strange ~.

209. offset v. 抵消 =compensate for

210. optimum a. 最佳的

211. orient v. 使适应 ~ oneself to

212. overwhelm v. (感情上)使受不了;压倒 >be ~edwith sadness/~ majority

213. paradox n. 自相矛盾=contradiction

214. participant n. 参加者

215. patent n. 专利

216. patrol v./n. 巡逻

217. patriotic a. 爱国的

218. pave v. 铺路 ~ the way for women’s Lib

219. permeate v. 弥漫; 渗透

A bad smell ~s the building./Water ~d all the books in the room.

220. perpetual a. 永久的