twinning axis

例句：

1. 1. The twinning axis of the two planets aligns perfectly in this direction.
   这两个行星的孪生轴在这个方向完美对齐。
2. 2.The twinning axis is responsible for the rotation of the Earth's axis.
   孪生轴负责地球轴的旋转。
3. 3. The twinning axis plays a crucial role in the formation of the solar system.
   孪生轴在太阳系的形成中起着至关重要的作用。