英语词汇“pneumatic trough”的英英意思、用法、释义、翻译、读音、例句、短语、词组-英语词典

单词	pneumatic trough
释义	Trends of pneumatic trough View usage for: pneumatic trough in British English noun chemistry a shallow dishlike vessel filled with a liquid, usually water, and used in collecting gases by displacement of liquid from a filled jar held with its open end under the surface of the liquid pneumatic trough in American English noun Chemistry a trough filled with liquid, esp. water, for collecting gases in bell jars or the like by displacement Word origin [1820–30]This word is first recorded in the period 1820–30. Other words that entered Englishat around the same time include: blouse, exogenous, insider, myth, tetrapod
随便看	shoulder strap shoulder-strap shoulder surfing shoulder to shoulder shouldest should he phone or if he should phone ... shouldn't shouldst should've shouse shout shout down shouter shout from the rooftops shouting shouting distance shoutingly shouting match shouting-match shoutline shout out shoutout shout someone down shout something from the rooftops shouty

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Trends ofpneumatic trough