gravity acceleration的用法和樣例：
例句
- The force with which a body is attracted to Earth or another celestial body,equal to the product of the object's mass and the acceleration of gravity.
重力地球和其它天體對某物體的作用力，它等于物體的質(zhì)量與重力加速度的乘積。
詞匯搭配
- acceleration of gravity [物]重力加速度...
