电影《家园（2009）》Part1-中英文对照台词剧本(6)

它们揭示了近二十亿年的地球历史
They reveal nearly two billion years of the earth"s history.
从前 大峡谷曾经是微生物居住的海洋
Once upon a time, the grand canyon was a sea inhabited by microorganisms.
他们通过吸收溶解在海洋中的大气碳元素
They grew their shells by tapping into carbon from the atmosphere...
从而长出贝壳
Dissolved in the ocean.
他们死去以后 贝壳沉没
When they died, the shells sank...
并沉积在海床
And accumulated on the seabed.
这些地层便是数以亿计的贝壳的产物
These strata are the product of those billions and billions of shells.
多亏他们 碳被从大气分离
Thanks to them, the carbon drained from the atmosphere,
其他生物得以发展
And other life-forms could develop.
是生命改变了大气
It is life that altered the atmosphere.
植物以太阳能为生
Plant life fed off the sun"s energy,
这使它能够分解水分子
Which enabled it to break apart the water molecule...
从中产生氧气
And take the oxygen.
从此 空气中出现了氧
And oxygen filled the air.
地球的水循环是一个持续更新的过程
The earth"s water cycle is a process of constant renewal.
瀑布 水蒸气