[00:00:04]Year after year, the caterpillar slows down in the autumn

每逢秋天 毛虫的行动变得迟缓

[00:05:56]and then freezes solid.

直至冻僵

[00:07:24]But eventually, a very special spring arrives.

终于 不同寻常的春天来临了

[00:20:15]This one will be its last.

这将是它最后一个春天

[00:31:38]It's now 14 years old

它现在已经14岁了

[00:34:02]the world's oldest caterpillar.

是世界上最长寿的毛虫

[00:36:45]Its remaining days now become frantic.

接下来的日子里 它异常繁忙

[00:40:10]It starts to weave a silk cocoon.

它开始织茧

[00:45:58]Inside, its body is changing into one that can fly and search,

在茧里 它会转变成会飞行能觅食的蛾

[00:51:31]abilities that will be crucial in the days ahead.

这些能力在日后非常重要

[00:54:28]It's waited over a decade for this spring

这个春天 它已经等了十几年了

[01:00:37]and now, its time is near.

破茧成蝶的时间越来越接近了

[01:03:26]All across the Arctic, moths are emerging.

蛾开始在整个北极大量涌现

[01:11:11]After completing their 14-year preparation,

经过了14年的准备

[01:13:54]they now have just a few days to find a partner and mate.

它们现在只有几天时间找配偶交配

[01:24:14]No life illustrates more vividly

没其他生物能更生动地展现出

[01:26:23]the shortness of the Arctic spring

北极春天的短暂

[01:29:12]or the struggle to survive in this most seasonal of places.

和在这季节最多变地方生存的艰辛