ex·haust

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【释义】：

vt．❶ 用尽，耗尽：exhaust one’s strength用尽气力．The enemy have exhausted their supplies of food and ammunition．敌人已经弹尽粮绝．❷ 使精疲力尽：be exhausted with因…而精疲力尽．One gets exhausted easily in hot weather．在炎热天气里，人容易感觉疲倦．❸ 使空：exhaust the air from a jar把罐内的空气抽尽．an exhausted well枯井．❹ 彻底研究，详论：exhaust a subject彻底研究一个问题．

－n．排出，排气，排气装置，排出的废气：an exhaust pipe排气管．