desaxis

例句：

1. 1. The axis of rotation is the line around which the object rotates.
   旋转轴是围绕其旋转的物体的轴线。
2. 2.The axis of symmetry divides the object into two equal halves.
   对称轴将物体分成两个相等的部分。
3. 3. The axis of gravity is the point where the Earth's gravity pulls everything towards.
   重力轴是地球引力将一切拉向的地方。