centre of gravity 的英语意思
centre of gravityˌcentre of ˈgravity British English, center of gravity American English noun [singular]
查看全部语言翻译 the point in any object on which it can balance物体上能保持平衡的那个点
查看全部语言翻译 the point in any object on which it can balance物体上能保持平衡的那个点