南极洲

例句：

1. 1. The Arctic is home to some of the world's most unique wildlife.
   北极是世界上一些最独特的野生动物的家园。
2. 2.The Arctic Circle marks the boundary between summer and winter in this region.
   北极圈标志着这个地区夏季和冬季的分界线。
3. 3.The Arctic ice cap is melting at an alarming rate, affecting global climate patterns.
   北极冰盖以惊人的速度融化，影响着全球气候模式。