英语听力：自然百科 冰冻星球 前往地球尽头—12

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The other end of our planet, the Antarctic is starkly¹ different. A frozen continent completely surrounded by ocean. Icebergs² here are so large that they are measured in miles not meters. They’re the only obstacles in the path of giant waves which circle around the continent unchecked by other lands.

 

These seas may be cold and storm-wrecked but they are bursting with life.

 

No bird is more at home in water. And they are masterful surfers. Penguins³ are found only in the southern hemisphere. They can't fly, but they don't need to. There are no polar bears here.

 

These are Gentoo Penguins. Each spring they come ashore⁴ to lay their eggs and rear their young. Their hungry chicks demand so much seafood⁵ that both parents have to go fishing.

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