As the sun's influence increases, the sea ice seems to take on a life of its own. 随着太阳的威力逐渐增强, 海冰仿佛有了自己的生命
0ut on the sea ice, the female can hunt for seals 雌熊有可能在海冰上捕食到海豹
in this dangerous world of ice. 要保护好自己的幼仔 母熊必须施展出所有的本领
It must get to grips with its new ice world, 它们必须适应这个冰雪世界
These permanent holes in the ice provide seafood throughout the winter. 这个长年不冻的水窟窿提供了整整一个冬天的食物
a permanent hole in the sea ice, kept open throughout the winter by strong ocean currents. 冰间湖是结冰的海洋上永久性的洞孔 因为有强大的洋流使它们冬天也不会冰封
but this bleak wilderness remains locked in ice. 但这片荒凉的无人区仍然是冰封的天地
illuminating a very different ice world. 阳光照亮了一个截然不同的冰的世界
The ice grows at an extraordinary rate, 冰盖的面积以非凡的速度扩大