centre of gravity
柯林斯词典
1. N-COUNT The centre of gravity of an object is a point in it. If this point is above the base of the object, it stays stable, rather than falling over. 重心
返回 centre of gravity
1. N-COUNT The centre of gravity of an object is a point in it. If this point is above the base of the object, it stays stable, rather than falling over. 重心