| 单词 | exhaust |
| 释义 | exhaust v. & n. --vtr. 1. consume or use up the whole of. 2. (often as exhausted adj. or exhausting adj.) use up the strength or resources of; tire out. 3. study or expound on (a subject) completely. 4. (often foll. by of) empty (a vessel etc.) of its contents. --n 1. a waste gases etc. expelled from an engine after combustion. b (also exhaust-pipe) the pipe or system by which these are expelled. c the process of expulsion of these gases. 2. a the production of an outward current of air by the creation of a partial vacuum. b an apparatus for this. Derivatives exhauster n. exhaustible adj. exhaustibility n. exhaustibly adv. Etymology: L exhaurire exhaust- (as EX-(1), haurire draw (water), drain) |
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