BBC听力 | 冰雪世界 10
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Unlike Antarctica
与南极不同
the Arctic is a vast frozen sea surrounded by land
北极是一片被陆地包围着的冰海
Here winter is coming to an end
现在冬天快结束了
but this bleak wilderness remains locked in ice
不过原野仍然是冰雪覆盖
Eider ducks break the silence
最先打破这里寂静的是欧绒鸭
They have stayed here braving the northern winter
他们坚守在这里度过了冬天
instead of flying south to warmer climes
而不是飞到温暖的南方
Flocks 40,000 strong
有四万只欧绒鸭
sweep across the frozen wastes
展翅飞翔在冰雪的原野上
They all have the same goal
他们都只有一个相同的目标
a polinear
冰洞
a permanent hole in the sea ice
即北极地区永不封冻的洞
kept open throughout the winter by strong ocean currents
在湍急的洋流下保持整个冬天的开放
This unusual duck pond provides an overnight sanctuary
这个不同寻常的池塘给它们提供了过夜的好地方
and when day breaks a rare chance to feed
天亮之后又是它们觅食的好去处
Just ten metres beneath the ice
在冰面下十米处
the sea floor is carpeted with dense mussel beds
海床上有大量的贻贝
These can only be reached during a brief lull in the currents
绒鸭只能在洋流暂时平静的时候才能潜到水底
The ducks must quickly prise the mussels free before the tide starts to turn
而且要在潮水开始回流之前尽快地抓住贻贝
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