单词 | gear wheel |
释义 | DEFINITIVE EXAMPLES 权威例句〔clockwork〕A mechanism of geared wheels driven by a wound spring, as in a mechanical clock.钟表机械,发条装置:一种由齿轮组成的机械装置,由弹簧驱动,如机械表内部的装置美国传统〔engage〕When the large gear wheel engages (with the smaller one), the mill stone will start to go round.当大齿轮(与小齿轮)啮合时,石磨就开始转动。剑桥高阶〔planet wheel〕One of the small gear wheels in an epicyclic train.行星齿轮:周转轮系中的小齿轮之一美国传统 |
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