They transformed its atmosphere. 它们改变了大气

77. These tiny bacteria...
    这些微小的细菌
78. And their billions of descendants...
    以及他们的亿万后代
79. Changed the destiny of our planet.
    改变了地球的命运
80. They transformed its atmosphere.
    它们改变了大气
81. What happened to the carbon that poisoned the atmosphere?
    使大气有毒的碳去了哪里
82. It's still here, imprisoned in the earth's crust.
    它仍然在这里 被囚禁在地壳之中
83. We can read this chapter of the earth's history...
    我们可以在科罗拉多大峡谷的山壁上

来自《家园 第一部分 Home Part1》第 80 行