Level 5 · word 11,874 of 20,000

gravitation

/ˌɡrævɪˈteɪʃən/ American
  • n. 引力, 重力
Definition
  • n. the natural force that pulls objects toward each other
Example
Gravitation pulls every object toward the center of the earth.
引力把每个物体都拉向地球中心。