单词	gearwheel
释义	gearwheel /ˈɡɪəwiːl / noun 1A toothed wheel in a set of gears.I decided to mount the motor with a gearwheel and a gear rack on a drawer rack.... From the functions which the various parts of the watch fulfil (e.g. spring, gearwheels, pointer), the only logical conclusion was that it had a maker who ‘comprehended its construction and designed its use’. He and his co-workers turn raw steel into giant rings, gearwheels, and other forged products. 1.1(On a bicycle) a cogwheel driven directly by the chain.
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