supercold separation

例句：

1. 1.The supercold separation between the two countries has been a major issue for decades.
   两国之间的极端分离已经持续了几十年。
2. 2.Due to the supercold separation, the polar ice caps have shrunk significantly.
   由于极端分离，极地冰盖已经显著缩小。
3. 3. The supercold separation has led to the formation of a new ice sheet in the Arctic.
   极端分离导致了北极地区形成一个新的冰层。