exhaust /iɡˈzɔ:st/ I. vt. 1.使筋疲力尽：Shopping all day exhausted us. 整天购物使我们筋疲力尽。［考句］Operations which left patients exhausted and in need of long periods of recovery time now leave them feeling relaxed and comfortable.过去使人筋疲力尽需要很长时间才能恢复的手术，现在术后能让人感到轻松和舒服。2.耗尽，用完：The government has exhausted all its money.政府把钱都花光了。［考句］As he has exhausted our patience, we’ll not wait for him any longer.既然他把我们的耐心都耗光了，我们就不再等他了。‖II. n.［c］ & ［u］排气装置，废气：exhaust-pipe 排气管
exhausted adj. 疲惫不堪的；筋疲力尽的：I'm absolutely exhausted.我完全筋疲力尽了。
exhausting adj. 使耗尽的；使人精疲力竭的：a really exhausting day令人精疲力竭的一天
exhaustion /iɡˈzɔ:stʃən/ n. [u] 1. 精疲力竭，疲劳：She slept the sleep of exhaustion.她因疲劳而酣睡。He was pale with exhaustion.他累得脸色苍白。2. 耗尽，枯竭：the rapid exhaustion of fossil fuel reserves矿物燃料储量的迅速枯竭
