好词典

exhaust

UK /ɪɡˈzɔːst/US /ɪɡˈzɔːst/

词源

源自拉丁语 'exhaustus',意为'抽干、耗尽',由'ex-'(出)和'haurire'(抽出、汲取)组成。16世纪进入英语,最初指'抽干液体',后引申为'耗尽资源'和'使人精疲力竭'。

verb

❶ 使极度疲劳,耗尽体力或精力。指因长时间工作或活动而感到精疲力竭的状态。

“The long hike exhausted all of us.”

(长途徒步让我们所有人都筋疲力尽。)

“She was exhausted after working for 12 hours straight.”

(连续工作12小时后她疲惫不堪。)

❶ 用完,耗尽资源或供应。指某物被完全消耗或使用完毕的状态。

“We've exhausted our food supplies.”

(我们已经耗尽了食物储备。)

“The mine was exhausted after decades of mining.”

(经过数十年的开采,这个矿藏已经枯竭。)

同义词:tire out, wear out, deplete, drain, use up

noun

❶ 废气,尤指汽车发动机排出的气体。指内燃机工作后产生的有害排放物。

“The car's exhaust was emitting black smoke.”

(汽车排气管冒着黑烟。)

“Exhaust fumes can be harmful to the environment.”

(汽车尾气对环境有害。)

同义词:emission, fumes, discharge, waste gases

常见短语

exhaust pipe — 排气管,指汽车或机器上排放废气的管道部件。

“The mechanic replaced the rusty exhaust pipe.”

(修车师傅更换了生锈的排气管。)

exhaust all possibilities — 穷尽所有可能性,指尝试过所有可选方案后才放弃。

“The detective vowed to exhaust all possibilities in the investigation.”

(侦探发誓要穷尽调查中的所有可能性。)