Gravitational

[,ɡrævɪ'teɪʃənəl] or [,ɡrævɪ'teʃənl]

解释:

(adj.) of or relating to or caused by gravitation .

海伦娜编辑--From WordNet

解释:

(a.) Of or pertaining to the force of gravity; as, gravitational units.

整理:塞尔瓦托