241. random a. 隨意的 at ~

　　242. reap v. 收獲 =harvest reap crops

　　243. reassure v. 使放心

　　244. reconcile v. 使和解

　　245. rectify v. 糾正

　　246. refrain from v. 抑制

　　247. refute v. 駁倒

　　248. remainder n. 剩余的部分

　　249. repel v. 使厭惡;擊退;排斥 The odor ~s me./The odor can ~ mosquito.

　　250. reproach v. 責(zé)備=blame

　　251. resemblance v. 相似

　　252. resent v. 怨恨 He resented being called his nickname.

　　253. retort v. 反駁

　　254. retrieve v. 取回

　　255. reunion n. 團(tuán)聚=get together an occasion for family ~

　　256. revelation n. 揭示

　　257. revive v. 使復(fù)蘇 ~ economy

　　258. rigorous a. 嚴(yán)格的 ~ training for doctors

　　259. rip v. 撕裂

　　260. ritual n. 儀式=ceremony/routine His morning ~ is to make coffee, take a shower and have breakfast.

　　261. robust a. 健壯的

　　262. rot v. 腐爛 =decay