单词	cog
释义	cogcog /kɑg/ noun [countable] Etymology ETYMOLOGYcog Origin: 1200-1300 From a Scandinavian language 1 a wheel with small parts shaped like teeth sticking out around the edge, which fit together with the teeth of another wheel as they turn around in a machine2a cog in the machine/wheel someone who is not important or powerful, who only has a small job or part in a large business or organization3one of the small teeth that stick out on a cog
随便看	comb combat combatant combat fatigue combative combatively combativeness combination combination lock combination plate combination reaction combine combined combo combust combustibility combustible combustion combustion chamber combustion reaction come comeback comedian comedic comedienne

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