vt (1) 使疲惫，使精疲力尽 (wear out completely; make very tired) [T+n尤pass]：～oneself working/with too much work 工作/过量的工作使某人疲惫不堪;The trip/The climb/Shopping all day～ed us. 那次旅行/那次攀登/整天的逛商场使我们精疲力尽。They were completely～ed by their long walk. 长时间的散步把他们累坏了。Don't～yourself unnecessarily. 不要毫无必要地使自己过度疲劳。〖同〗 tire，overtire，fatigue; 〖反〗refresh，renew，strengthen;

(2) 用完，花光，耗(竭)尽 (use all of; use completely) [T+n]：～the food supply/one's patience/one's strength 耗尽食物/自己的耐心/自己的力气; Our supplies/Her tears are～ed.我们的生活用品已经用光了/她的眼泪已经哭干了。〖同〗spend，consume，finish;〖反〗obtain，get，save，conserve，preserve，keep，store;

(3) (把 …… 的内容) 抽空，吸干(drain the contents of; make empty) [T+n]：～a fuel tank/the water of a well 将油箱里的油/井里的水抽干;～the air from a vacuum/a tube of its air 将真空管里的空气/管子中的气体抽空; 〖同〗 empty，drain;

(4) 详尽论述; 彻底研究 (say all that can be said about a subject; study) [T+n]：～a topic/all possibilities 就一个主题/所有的可能性进行详尽的论述;

n (1) 排出的废气、蒸气等(escape or release of waste gases or vapors) [U]：the bad smell of the～废气所发出的臭味;～fumes/system/pipes 废气/排气系统/排气管;

(2) 排气装置，排气管(口) (device，system，or part that pumps such gases out or allows them to escape) [C]：a faulty automobile～不合格的汽车排气装置;The car made a terrible noise when the～(pipe) fell off. 当排气管脱落时，汽车发出一声可怕的巨响。

→ ex′hauster n 排气器;ex′haustible adj 可耗尽的;͵exhausti′bility n 可耗尽;ex′haust-ing adj 使耗尽的;ex′haustingly adv 使耗尽;ex′haustion n 耗尽，排出;ex′haustive adj 会耗尽的;ex′haustless adj 不会枯竭的