柯林斯詞典centre of gravity (centres of gravity) [英國(guó)英語(yǔ)] 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劍橋詞典the point in an object where its weight is balanced （物躰的）重心 返回 centre of gravity