1. vt.弄空，取出　 make sth empty; take out the contents of
2. vt.用尽，耗尽　 use sth up completely
3. vt.使非常疲倦　 make a person or an animal very tired
4. vt.详尽论述　 say, find out, all there is to say about sth

　～ a tube of air　抽尽管中的空气
　～ game　输掉比赛
　～ money　用尽资金
　～ one's bank account　把银行存款花光
　～ one's patience　失去耐心
　～ one's strength　用尽力气
　～ much　疲惫不堪
　～ near　即将售完
　～ completely〔physically〕　筋疲力尽
　～ thoroughly　详尽地论述
　～ through　排出
　～ by　因…而疲惫
　～ by running　跑得筋疲力尽
　～ from　因…而疲惫
　～ into　进入…
　～ of　抽光
　～ with toil　工作得精疲力竭

　They had to exhaust the water of the well.　他们不得不抽干井里的水。
　You need to exhaust the air in the jar.　你需要把瓶中的空气抽尽。
　They exhausted the funds in a week.　他们一周内耗尽了资金。
　The soldiers had exhausted their supply of ammunition.　士兵们已用尽了所供给的弹药。
　The long war exhausted the country.　长期的战争使这个国家民穷财尽。
　He exhausted her patience.　他使她忍无可忍。
　The climb will exhaust the boys.　爬山会使孩子们疲惫不堪的。
　The fast game of tennis soon exhausted the two players.　快速度的网球比赛使两位选手很快就筋疲力尽了。
　He nearly exhausted himself working all day long.　他整天工作，搞得精疲力竭。
　The little boy exhausted the poor dog running.　这个小男孩让这只可怜的小狗不停地跑使它累垮。
　We have exhausted this subject, let's go on to the next.　我们已详尽阐述了这个主题，让我们进行下一项。
　I think we've just exhausted that subject.　我认为我们对这一问题差不多是言无不尽了。

 ♣ exhaust by　(v.+prep.)
　因…而疲惫　tire by sth or doing sth
　He was exhausted by overwork.　他因工作过度而疲惫。
　They were exhausted by the great distances they had walked.　他们因走了太远的路而筋疲力尽。

 ♣ exhaust, tire
　这组词都表示“使某人疲劳”。其区别是：exhaust暗示体力、精力或精神完全衰竭，需要经过较长时间的休息才能恢复过来；tire则指一般体力上的消耗，短时期内即可恢复。

1. C 排气装置，排气管〔孔　〕outlet or pipe through which gases are sent out
2. U 机器排出的废气　waste fumes, gases, etc. expelled from an engine or a machine

　advanced ～　先进的排气装置
　industrial ～　工业废气
　～ fumes　排出的废气

　The factory has an advanced exhaust.　这家工厂拥有一套先进的排气装置。
　Industrial exhaust must be well treated.　工业废气必须妥善处理。