单词	metacenter
释义	metacenter noun meta·​cen·​ter ˈme-tə-ˌsen-tər  : the point of intersection of the vertical through the center of buoyancy of a floating body with the vertical through the new center of buoyancy when the body is displaced Illustration of metacenter 1 center of gravity 2 center of buoyancy 3 new center of buoyancy when floating body is displaced 4 point of intersection Word History Etymology French métacentre, from méta- meta- + centre center First Known Use 1765, in the meaning defined above
随便看	trade surplus trade test trade union trade unionism trade unionist trade up trade warranty trade waste trade wind trade-in trade-last trade-off trade-offs tradeable tradecraft tradecrafts traded traded (for) traded (in) traded down traded for traded in traded on traded up tradeful

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