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

科学家经常观察到海象妈妈喂养其他雌性海象幼崽。

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

北极熊在这边挣扎海象则在沙滩上休息。

They have sea cows, like my poster.

他这里有海象，像海报中画那样。

Most never get a chance to reproduce.

多数雄性海象不有殖。

Four months old and as fat as a seal pup.

四个月，胖得像头小海象。

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

那么莎，你想成为海象吗？

What do you call a walrus bobbing in the ocean?

你怎么称呼在海里摇摆海象呢？

Walruses are the largest seals in the world.

海象是世界上最大海豹科动物。

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

小鸭子，出发去看海象吧。

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

海象用它灵敏触须在海底觅食蛤类。

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

海象非常适应在这里生活，在北冰洋边缘。

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

海象是如何这样短暂休息生活，一无所知。

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

雄性海象在求爱上十分不幸。

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

“哎呀，”他喘着气说，苍白脸上汗涔涔，海象胡须微微发颤。

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

现在要写‘walrus’海象这个单词中字母 W。

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

独角鲸，海象——以为他解释一下将发生什么。

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

庞大体型可捕杀例如海象、白鲸类力量型动物。

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

从外表上看，他花呢外套和海象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% 交配成功率下仅有 4% 雄性海象能完成殖。

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

再加上海象、海豹和海狮等鳍足亚目动物，以及鹦鹉、蜂鸟和鸣禽。全部就是这些。