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They're all safely ashore,
北极熊一家子安全上岸了
but they could still face months of hunger.
但可能要面对 长达好几个月的饥饿时光
Finding food is not so easy on this cold and barren coast.
在这片寒冷贫瘩的海岸 觅食并不容易
The search may be a long one.
它可能要找上很久才能填饱肚子
Polar bears have an extraordinarily sensitive sense of smell.
北极熊的嗅觉异常灵敏
And she has caught a faint whiff of something promising.
母熊闻到了一丝微弱的食物香气
It's the immense carcass of a bowhead whale.
味道是从一具 巨大的北极鲸尸传来的
A whale carcass could provide more than any one family could eat.
一具鲸尸喂饱一个 北极熊家庭绰绰有余
But they're not the first here to find it...
但是比它们早来的
by any means.
大有人在
The smell has brought in bears from miles away.
鲸尸的气味引来了 方圆数里之内的北极熊
Bear families seldom get on with one another.
北极熊家庭 不兴和睦相处这一套
She's taking a risk bringing her cubs here.
母北极熊把小熊带来这里 冒了很大的险
Male bears can, and do, kill and eat small cubs.
公北极熊吃掉小熊的事时有所闻

重点解释

Polar bears have an extraordinarily sensitive sense of smell.北极熊的嗅觉异常灵敏

sense of smell:嗅觉

Some animals have an acute sense of smell.

有些动物的嗅觉很敏锐。

Dogs have a highly developed sense of smell.

狗有著高度发达的嗅觉。

A whale carcass could provide more than any one family could eat.一具鲸尸喂饱一个北极熊家庭绰绰有余

more than:超过；多于；不仅仅

This city has a population of more than 1,000,000.

这个城市人口超过一百万。

I'll stay here not more than three days.

我将待在这里最多不超过三天。

She's taking a risk bringing her cubs here.母北极熊把小熊带来这里冒了很大的险

take a risk:冒险

He took a risk when he crossed the old bridge.

他冒险过这座旧桥。

He was taking a risk by overtaking on a bend.

他在转弯处超车是在冒险。