celestial
adjective2 搭配平均频率: 5.0
a natural object in space, such as a star, planet, or moon
天体力学
the branch of astronomy that deals with the motion of celestial bodies
天文学中研究天体运动的分支。
a natural object in space, such as a star, planet, or moon
天体力学
the branch of astronomy that deals with the motion of celestial bodies
天文学中研究天体运动的分支。