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