321. for the first time 第一次 (作状语) 322. in the first place 首先, 第一 323. fit into 刚好放入 324.... [查看全文]
311. in fear of (=afraid for the safety of) 担心 312. feed (sb.) on sth. 靠吃…, 用…喂养 313. be fed ... [查看全文]
301. in fashion(=stylish, most modern)时兴,流行 302. after the fashion (of) 依照… 303. find fault with(=com... [查看全文]
291. on faith 毫无怀疑地, 依赖地 292. faithful to (=loyal to) 对…忠诚 293. fall into the habit (of) 养成... [查看全文]
281. in the twinkling of an eye 一眨眼,转眼间 282. keep an eye on(=keep a watch on)照看,监视 283. in the... [查看全文]
271. at the expense of在损害…情况下,以…为牺牲 272. expose…to…使暴露于…, 使…受(危险,风险) 273. be exposed ... [查看全文]
261. with the exception of (=except, apart from) 除去…., 除…以外 262. in excess of (=more than) 超过 26... [查看全文]
251. (be) equivalent to(=equal in value, amount, meaning) 相等于, 相当于 252. in essence (=in itsone’s ... [查看全文]
241. come to and end (=finish) 结束 242. end in 以…为结束 243. engage in 或 be engaged in 忙于,从事 ... [查看全文]
231. emerge from ( =appear, become known ) 出现, 暴露(问题. 意见等) 232. place(or put, lay) an emphasis on... [查看全文]