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	endosymbiont endosymbionts endosymbioses endosymbiosis endosymbiotic endotergite endotesta endotheca endothecae endothecal endothecate endothecia endothecial endothecium endotheli- endothelia endothelial endothelio- endotheliocyte endothelioma endotheliomas endotheliomata endothelium endotherm endothermal

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