地球的力量 第5集 稀有行星(17):沼穴探索者

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地球擁有一切條件

An environment that remains relatively stable

一個(gè)相對(duì)穩(wěn)定的環(huán)境

for complex life to survive.But there's a curioustwist.

是復(fù)雜生命存活的關(guān)鍵 但是還有一個(gè)特別的曲折

Too much stability and evolution can get stuck in a bit of a rut.

太多的穩(wěn)定和進(jìn)化會(huì)造成重蹈覆轍

Every now and then life needs a catastrophe to shake things up.

時(shí)不時(shí)地生命需要災(zāi)難來(lái)改變現(xiàn)在

In the jungles of Mexico lies the evidence of one such catastrophe,

在墨西哥的一個(gè)叢林里 就有證據(jù)證明這樣災(zāi)難的存在

one that turned out to be very important for us humans.

這次災(zāi)難對(duì)于人類(lèi)來(lái)說(shuō)非常重要

You know, everywhere you go around here, you find these holes.

不管你走到哪里都能發(fā)現(xiàn)這樣的坑

They're called cenotes.

他們被稱(chēng)作沼穴

There's thousands of them and most of them haven't even been explored.

有好幾千個(gè) 大部分都還沒(méi)有被探索

But these are the right people to be with because these guys are cave explorers

這些人正是我們需要的 因?yàn)樗麄兙褪钦友ㄌ剿髡?/p>

and they're going to show me a new world.one beneath our feet.

它們要為我們打開(kāi)一個(gè)新的世界 就在我們腳下

Team leader Bernadette is the first to descend.

小組領(lǐng)隊(duì)伯納德特第一個(gè)下去