Yeah, polar bears OK, have you ever seen a polar bear?

对，。你见到过吗？

This is a disaster for polar bears.

对于而言，这是一场灾难。

Polar bears prefer seals for their meals.

最爱吃海豹。

Ringed seals are the main prey of polar bears.

而环斑海豹也是的主要猎物。

We see polar bears as a sentinel of climate change.

“我们将看作气候变化的哨兵。

Polar bears nurse their cubs for almost eight months.

会喂养它们的幼崽将近八个月。

You can see polar bears in Canada.

在加拿大你可以看到。

But nobody knows how to embrace a polar bear plunge better than actual polar bears.

但是没有人比真正的更懂得如何式跳水。

Polar bears are the largest land carnivore.

是最大的陆地食肉动物。

Oh, dear. That polar bear's got the snuffles.

哦，天呐。那只在抽鼻子。

Polar bears are in danger of extinction.

有绝种的危险。

Look, a polar bear is on TV!

看，电视上有只！

We have polar bears and a real iceberg too!

我们有，还有真正的冰山！

Underneath this fur polar bears have black skin.

在这层毛皮下，皮肤是黑色的。

This keeps the polar bear warm.

让保持温暖。

She's going to be researching polar bears.

她将研究。

Polar bears inhabit only the extreme north.

只生活在端。

Check out the sledding polar bear paper.

看看这些滑雪橇的包装纸。

So take polar bears, for instance.

以为例。

Once it forms, the polar bears walk onto it.

一旦结冰，就会在冰层上走。