Food onshore is very limited and there is simply nothing comparable to a seal that provides a polar bear with fat and energy.

陆上食物是非常有限的，根本没有什么能与一只海豹所能给北极熊提供脂肪和能量相比。

youdao

While a polar bear is sleeping on an ice berg with its paws clutched around, it is like a toddler holding their teddy bear. That is truly cute!

当北极熊抱着爪子睡在冰山上时，它就像一个蹒跚学步的孩子抱着他们的泰迪熊。那真的很可爱！

youdao

Once upon a time there was a polar bear.

从前，有一只北极熊。

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inside,a bronze skeleton modeled on a full-size male polar bear.

VOA: standard.2009.12.13

Does that mean that everyone should have to drive an electric car and adopt a polar bear?

WSJ: Climate Contrarians Ignore Overwhelming Evidence �� Letters to the Editor

The man who shot dead a polar bear that attacked a group of students in Norway has been released from hospital.

BBC: Hospital discharges polar bear attack leader Spike Reid

They spray deer musk in big cat enclosures, and freeze a polar bear's fish supper in blocks of ice.

ECONOMIST: From zoo cage to modern ark