Orbital motion about a point, especially as distinguished from axial rotation.

旋转，绕转：围绕一个点的轨道运动，尤指区别于绕轴旋转的。

youdao

Orbital motion about a point, especially as distinguished from axial rotation.

旋转，绕转：围绕一个点的轨道运动，尤指区别于绕轴旋转的。

youdao