单词	cogwheel
释义	cog·wheel (kŏgwēl′, -hwēl′, kôg-) n. 1. A toothed wheel. 2. One of a set of cogged wheels within a mechanism.
随便看	boa constrictor Boadicea Boadicea boar board board certification board-certified board check board-check boarder boarder baby boardercross board foot board game boarding house boardinghouse boarding pass boarding school board measure separator Sephardi Sephardic sepia Sepik sepiolite

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