aurora polaris

例句：

1. 1. The aurorapolaris is a natural wonder that canbe seen from space.
   极光是自然奇观，可以从太空中看到。
2. 2. Theaurora polaris is a beautifuldisplay of colors in the sky.
   极光是天空中美丽的色彩展示。
3. 3. The aurora polaris is a rare andmysterious phenomenon that has fascinated scientistsfor centuries.
   极光是一种罕见且神秘的现象，几个世纪以来一直吸引着科学家的注意。