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	serology seronegative seropositive seropositivity seropurulent Seroquel serosa serosal serositis serotherapist serotherapy serotine serotinous serotiny serotonergic serotonin serotoninergic serotonin-norepinephrine reuptake inhibitor serotype serous serous fluid serous membrane serovar serow Serpens

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