详细解释:n. 引力, 重力, 沉下
【化】 引力
【医】 [万有]引力, 重力
词型变化：
副词:gravitationally形容词:gravitational英语解释：
名词 gravitation:
(physics) the force of attraction between all masses in the universe; especially the attraction of the earth's mass for bodies near its surface--Albert Einstein同义词：gravity, gravitational attraction, gravitational force