[00:00:01]The wolves cannot penetrate the wall of horns.

这两只狼无法穿越牛角筑成的铜墙铁壁

[00:06:15]The herd are protecting their calf.

牛群在竭力保护牛犊

[00:09:56]For the musk oxen, it's all for one and one for all.

对于麝牛来说 人人为我 我为人人

[00:22:15]It's a struggle for all polar animals

在短暂的北极夏季 所有极地动物

[00:24:43]to feed themselves and their families

想填饱自己和家人的肚皮

[00:26:28]in the brief Arctic summer.

都要经历艰苦的挣扎

[00:28:55]But there is one tiny creature of the tundra

但冻原上有种小巧的生物

[00:34:59]that has found an astounding solution

寻到了一种绝妙的解决方案

[00:37:24]to the shortness of the season.

来对付这个转瞬即逝的季节

[00:40:05]The woolly bear caterpillar.

灯蛾毛虫

[00:43:58]It's always the first insect to appear after the snow's retreat.

它向来是积雪融化后第一个出现的昆虫

[00:48:58]The caterpillar then eats as fast as it can,

毛虫就拼了命地吃

[00:53:09]and indeed it must,

它必须这么做

[00:54:27]for this far north, summer only lasts a few weeks.

因为北极的夏季仅会持续数周

[00:58:05]The days shorten only too soon, but the caterpillar has not yet

白昼很快就会变短 毛虫却还没有

[01:10:08]got enough reserves to transform itself into a moth.

足够的储备来转化成蛾

[01:14:34]It can't leave the Arctic, for it can't fly.

它还不能离开北极 因为它无法飞行

[01:18:02]So, it settles down beneath a rock.

所以只好在一块岩石下面躲了起来

[01:21:29]The sun's warmth rapidly dwindles.

太阳的热度迅速褪去

[01:26:07]Beneath the rock, the caterpillar is out of the wind,

岩石虽能为毛虫挡风遮雪

[01:34:06]but the cold penetrates deep into the ground.

但严寒仍蔓延至地下

[01:38:56]Soon, its heart stops beating.

很快 它的心跳停止了

[01:41:59]It ceases to breathe and its body starts to freeze.

也停止了呼吸 身体开始结冰

[01:45:51]First, its gut. Then, its blood.

先是内脏 接着是血液