单词	swing tool
释义	swing tool noun : a device swung on centers so as to yield to unequal pressure in which delicate work (such as parts of a watch) is held to be polished Word History Etymology swing entry 3
随便看	ocotillo ocotillos OCR Ocracoke Island ocrea ocreae ocreate OCS Oct oct- octa octa- octaacetate octachord octachords Octacnemus octacosane octad octadecane octadecanol octadecyl octadrachm octads octagon octagonal

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