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	teak tea kettle teal tea leaves tealight team teammate team player team spirit teamster Teamsters, the teamwork tea party Tea Party movement, the teapot tear teardrop tearful tearfully teargas tear gas tearjerker tearoom tease teaser

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