galactic poles

例句：

1. 1. The galactic poles are the points of convergence for all the stars in the Milky Way.
   银河极点是银河系中所有星星汇聚的点。
2. 2. The discovery of galactic poles has revolutionized our understanding of the universe.
   发现银河极点已经彻底改变了我们对宇宙的理解。
3. 3. Galactic poles play a crucial role in the formation of planetary systems.
   银河极点在行星系统的形成过程中起着至关重要的作用。