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

251. resemblance v. 相似

252. resent v. 怨恨 >He resented being called hisnickname.

253. retort v. 反驳

254. retrieve v. 取回(get back, bring back)

255. reunion n. 团聚=get-together>an occasion forfamily ~

256. revelation n. 揭示

257. revive v. 使复苏>~ economy

258. rigorous a. 严格的 ~ training for doctors

259. rip v. 撕裂

260. ritual n. 仪式=ceremony/routine>His morning ~is to make coffee, take a shower

and have breakfast.