02 两极之间 From Pole To Pole

未能成功加载,请稍后再试
0/0

The spring sun brings warmth, but also a problem for the mother. It starts to melt the sea ice.

That is where she hunts for the seal she needs to feed her cubs.

And she must get there before the ice breaks up.

For now though it's still minus thirty degrees and the cubs must have the shelter of the den.

It's six days since the bears emerged and spring is advancing rapidly.

But even now blizzards can strike without warning.

Being so small, the cubs are easily chilled and they will be more comfortable resting in the den.

But their mother must keep them out and active.

She's becoming weak from hunger and there's no food on these nursery slopes.

The sea ice still holds firm, but it won't last much longer.

下载全新《每日英语听力》客户端,查看完整内容