The curved path of a body around another body or point.

• One complete revolution on such a path.
• The path of an electron around an atomic nucleus.

物体围绕另一物体或点运动的曲线路径。

• 沿此路径完成的一次完整环绕。
• 电子绕原子核运行的路径。

A sphere of influence or area of activity, interest, or control.

影响范围或活动、兴趣、控制的领域。

The bony cavity of the skull containing the eyeball.

颅骨中容纳眼球的骨性眼眶。

To move in an orbit; to revolve around something.

沿轨道运动；围绕某物旋转。

To place a spacecraft or satellite into orbit.

将航天器或卫星送入轨道。