exhaust是什么意思（exhaust的用法）

大家好，知识小编来为大家讲解下。exhaust是什么意思，exhaust的用法很多人还不知道，现在让我们一起来看看吧！

一、exhaust是什么意思

1、exhaust 废气

2、ex-, 向外。-haust, 排出。

二、exhaust的用法

1、exhaust (v.)

2、1530s, "to draw off or out, to use up completely," from Latin exhaustus, past participle of exhaurire "draw off, take away, use up, empty," from ex- "off" (see ex-) + haurire "to draw up" (as water), from PIE *aus- (3) "to draw water." Meaning "make weak or helpless, as by fatigue" is from 1630s. Related: Exhausted; exhausting.

3、exhaust (n.)

4、"waste gas," 1848, originally from steam engines, from exhaust (v.). In reference to internal combustion engines by 1896. Exhaust pipe is from 1889.

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