【正文】
e doubted the feasibility of the experiment, he was determined to go on. 盡管許多人都懷疑這個(gè)實(shí)驗(yàn)的可 行性 , 但他卻決心繼續(xù)下去 。 (2) v. send a signal or signals to 向 …… 發(fā)信號;以信號報(bào)告 Sailors signal with flags by day and with lights at night. 水手們發(fā)信號白天用旗 , 晚上用燈 。College English Textbook IS THERE LIFE ON EARTH? Two Unit One I. New Words : (1) n. movement, message, device, etc. used to convey information 信號 , 暗號 The referee blew his whistle as a signal for the game to begin. 裁判吹哨作為比賽開始的信號 。 Traffic signals tell drivers when to stop and when to go. 交通信號告訴司機(jī)什么時(shí)候停 , 什么時(shí)候行 。 2. extremely: adv. very 非常 , 極為 This is an extremely serious case. 這是一個(gè)極為嚴(yán)重的情況 。 a. feasible: that can be done 可做的 Your plan sounds quite feasible. 你的計(jì)劃聽起來很可行 。 be posed of : be made up of 水是由氫和氧化合而成 。 5. survive: v. (1) remain alive 活下來;幸存 He is the only man who survived afte