the freezing point of polar sea water
极地海水的冻结点
Keesh lived at the edge of the polar sea.
季奚住在北极海的边缘上。
The effects of the polar sea ice on climate
极地海冰变化对气候的影响
Fishery exploration in high sea and polar region
远洋与极地渔业资源开发
The law of the sea and polar maritime delimitation and jurisdiction
海洋法与极地海洋划界和权利
A polar bear leaps off of sea ice near Devon Island in the Canadian Arctic.
一只北极熊跳跃离开海冰靠近得文岛在加拿大的北极圈。
And that is the story of Keesh who lived long ago on the edge of the polar sea.
这就是很久以前住在北极海边的季奚的故事。
The Studies of Polar Sea Ice and Their Contribution to Climate Change Researches
极地海冰的研究及其在气候变化中的作用
Arctic sea ice is also disappearing, reducing the territory of the polar bear's seal prey.
北冰洋的冰也开始消失，减少了北极熊捕捉海豹的领地。
Biologists told me they saw eight dead polar bears floating in the water when they flew over the sea in a helicopter.
生物学家坐着直升机看到八个死亡的北极熊浮在水面上。
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