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, he becomes ~
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 sentence still ~ 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 ~ed with 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 221. pertinent a. 有关的 =relevant>skills ~ to the profession
222. plead v. 恳求;(法庭)申诉
223. ponder v. 思考 She ~ed his for a week.
224. portray v. 描绘=describe/depict
225. precede v. 先于
226. precedent n. 先例
227. preclude n. 阻止 (from)
228. predecessor n. 前任
229. predominant a. 主导的
230. premise n. 前提 >your ~ is wrong.
231. prescription n. 处方
232. prestige n. 威望> enjoy high ~
233. prevalent a. 流行的
234. prey n. 捕获物
235. probe v. 探究>~ a matter to the bottom 236. proficiency n. 熟练
237. profound a. 深刻的; 深奥的
238. prolong v. 延长
239. prospective a. 预期的，未来的 >his ~ father-in-law
240. provocative a. 挑衅的>His ~ language provoked Peter.
241. random a. 随意的 at ~
242. reap v. 收获 =harvest>reap crops
243. reassure v. 使放心
244. reconcile v. 使和解
245. rectify v. 纠正
246. refrain from v. 抑制
247. refute v. 驳倒
248. remainder n. 剩余的部分
249. repel v. 使厌恶;击退;排斥>The odor ~s me./The odor can ~ mosquito.
250. reproach v. 责备=blame
