n. 重力,地心引力;严重性;庄严
gravity 重力
来自词根grav, 重,词源同barometer, guru, gravity. 用于科学术语。
The words gravity and gravitation have been more or less confounded; but the most careful writers use gravitation for the attracting force, and gravity for the terrestrial phenomenon of weight or downward acceleration which has for its two components the gravitation and the centrifugal force. [Century Dictionary, 1902]