进化：早期地球赋予生命提升的小小的化学变化。
Evolution: small changes in the chemistry of the early Earth gives rise to life.
除开颜色不同以外，“泰坦”实际上似乎很像早期的地球。
Despite its color, Titan actually seemed to look a lot like the early Earth.
回首20世纪70年代早期，人口过剩像是要毁灭地球。
Back in the early 1970s, it was overpopulation that was about to destroy the Earth.
地球上早期的火肯定是由大自然引燃的，而不是人类所为。
Early fires on the earth were certainly caused by nature, not by man.
地球早期的火肯定是大自然而不是人类点燃的。
Early fires on the earth were certainly caused by nature, not by Man.
一半属于地球。在早期混合在一起。
Half belongs to earth. There was blending at a very early stage.
早期测量地球周长的最准确结果是由埃拉托斯特尼得出的。
The best of the early measurements of the earth's circumference was made by Eratosthenes .
早期测量地球周长的最准确结果是由埃拉托斯特尼得出的。
The best of the early measurements of the earth's circumference was made by eratosthenes.
这种早期前生命历史已经从地球记录里消失。
This early prebiotic history has been lost from the terrestrial record.
这种早期前生命历史已经从地球记录里消失。
This early prebiotic history has been lost from the terrestrial record.
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