单词	semicircle
释义	semicirclesemicircle /ˈsɛmiˌsɚkəl/ noun [countable] 1 math, geometry half a circle2a group arranged in a curved line, as if on the edge of half a circle:  A semicircle of chairs faced his desk.—semicircular /ˌsɛmiˈsɚkyəlɚ/ adjective
随便看	coincidentally coinsurance coinsure coin toss coir coitus Coke coke Col. col col. col- COLA cola colander cold cold-blooded cold-bloodedly cold-bloodedness cold call cold cream cold cuts cold front cold-hearted cold-heartedly

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