And scientists have often observed elephant seal mothers feeding the pups of other females.

科学家们经常观察到妈妈喂养其他雌性的幼崽。

While the polar bear struggles, the walruses relax on the beach.

北极熊在这边挣扎则在沙滩上休息。

They have sea cows, like my poster.

他们这里有，像我的报中画的那样。

Most never get a chance to reproduce.

多数雄性不会有机会繁殖。

Four months old and as fat as a seal pup.

四个月，胖得像头。

So, Sarah, do you want to be a sea cow?

那么莎，你想成为？

What do you call a walrus bobbing in the ocean?

你怎么称呼在里摇摆的呢？

Walruses are the largest seals in the world.

是世界上最大的豹科动物。

Duck, let's go and see the sea cows.

子，我们出发去看吧。

The walrus use their sensitive whiskers to search for clams on the ocean floor.

用它们灵敏的触须在底觅食蛤类。

Walruses are really well adapted to live here, around the edge of the arctic ocean.

非常适应在这里生活，在北冰洋的边缘。

" My word, " he puffed, pale and sweaty, his walrus mustache aquiver.

“哎呀，”他喘着气说，苍白的脸上汗涔涔的，胡须微微发颤。

So try to explain this: Male elephant seals are pretty unlucky in love.

雄性在求爱上十分不幸。

Now we're going to write the letter 'W', as in 'walrus'.

现在我们要写‘walrus’这个单词中的字母 W。

Narwhals, walrus--we thought that we would get an answer that explains what would happen.

独角鲸，——我们以为他们会解释一下将会发生什么。

This hefty size allows polar bears to hunt large powerful animals like walruses and beluga whales.

庞大的体型可捕杀例如、白鲸类的力量型动物。

He looked every inch a patrician figure, with his tweed suits and walrus moustache.

从外表上看，他的花呢外套式胡子无不表明他是一位达官贵人。

Just four percent of males can account for eighty-eight percent of mating.

88% 的交配成功率下仅有 4% 的雄性能完成繁殖。

How elephant seals short-circuit that, we don't have a clue.

是如何这样短暂休息生活的，我们一无所知。

Pinnipeds-walruses, seals and sea lions. And parrots, hummingbirds and songbirds. That's it.

再加上、豹狮等鳍足亚目动物，以及鹦鹉、蜂鸟鸣禽。全部就是这些。