单词	center of mass
释义	center of mass noun phrase : the point in a body or system of bodies at which the whole mass may be considered as concentrated Word History First Known Use 1862, in the meaning defined above
随便看	Lemaireocereus lemaireocereuses leman Leman, Lake lemanderins Lemanea lemanry lemans Lemaître lemberg leme lemed lemel lemes leming lemma lemmas lemmata lemmatise lemmatised lemmatises lemmatising lemmatization lemmatize lemmatized

英语词典包含469781条英英释义在线翻译词条，基本涵盖了全部常用单词的英英翻译及用法，是英语学习的有利工具。