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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