Polar Sea

• 北极海；是美国制造的破冰船

Polar Sea的用法和样例：

例句

1. Keesh lived at the edge of the polar sea.
   季奚住在北极海的边缘上。
2. It also could hasten the melting of Arctic sea ice and help hurricanes strengthen.
   也可能加速融化北极海样冰并助长飓风强化。