ex·haus·tion /ɪɡˈzɔːstʃən $ -ˈzɒːs-/ ●○○ noun [uncountableU] 1 TIREDextreme tiredness 精疲力竭with exhaustion He collapsed with exhaustion. 他累垮了。
Sheer exhaustion forced him to give up. 他疲惫不堪,只好放弃。
Many runners were suffering from heat exhaustion (=when you become tired and ill because you are too hot). 许多赛跑运动员都出现了热衰竭。
nervous exhaustion (=when you become ill because you have been working too hard or have been very worried) 〔因过度劳累或担忧而引起的〕神经衰弱
2 FINISH/USE ALL OF somethingwhen all of something has been used 用光,耗尽exhaustion of the exhaustion of oil supplies 石油储备的枯竭