exhaust
/ɪgˈzɔ:st; ɪɡ`zɔst/ n
1 [U] waste fumes, gases, steam, etc expelled from an engine or a machine （机器排出的）废气、 蒸气等
the smell of the exhaust 排出的废气气味
[attrib 作定语]
exhaust fumes 排出的废气.
2 (also ex`haust-pipe) [C]
outlet or pipe through which these gases are sent out 排气口; 排气管
My car needs a new exhaust. 我的汽车该换排气管了. =>illus at App 1 见附录1之插图, page xii.
exhaust / ɪgˈzɔ:st; ɪɡ`zɔst/ v [Tn]
1 [esp passive 尤用於被动语态]
make (a person or an animal) very tired 使（人或动物）非常疲倦
The long cycle ride exhausted her. 她因长途骑车而疲惫不堪.
He exhausted himself in the attempt. 他因十分努力而筋疲力尽.
2 use (sth) up completely 用尽, 耗尽（某物）
exhaust one's patience, strength 失去耐性、 用尽力气
exhaust a money supply 把钱用光.
3 make (sth) empty; take out the contents of 将（某物）弄空; 取出（所含之物）
exhaust a well 将井汲乾.
4 say, find out, all there is to say about (sth) 详尽论述（某事物）
I think we've just about exhausted that subject. 我认为我们对这一问题已差不多是言无不尽了.