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4391 篇文章
An area half the size of the United States
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An area half the size of the United States 一个面♥积♥相当于半个美国的区域

states united size area an of the half
a plume of superheated magma
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a plume of superheated magma 一股极热的岩浆

magma plume superheated of a
because in the far north of Pangaea,
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because in the far north of Pangaea, 因为在盘♥古♥大♥陆♥遥远的北方

pangaea north far of because in the
has been a feature of life on Earth for hundreds of millions of years.
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has been a feature of life on Earth for hundreds of millions of years. 数亿年来 一直是地球生命的特点

feature hundreds millions life been has for of earth on years a
With her powerful sense of smell,
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With her powerful sense of smell, 它有强大的嗅觉

powerful smell sense with her of
The ancestors of the mammals.
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The ancestors of the mammals. 它们是哺乳动物的祖先

ancestors mammals of the
These sleeping armored beasts are a primitive type of reptile.
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These sleeping armored beasts are a primitive type of reptile. 这些沉睡着的身穿护甲的野兽 是一种原始的爬行动物

reptile armored beasts primitive type sleeping these of are a
and the start of an endless rivalry.
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and the start of an endless rivalry. 无尽的竞争也由此开始

rivalry endless an start of the and
Sixty million years after the evolution of the amniotic egg,
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Sixty million years after the evolution of the amniotic egg, 进化出蛋之后6000万年

amniotic sixty evolution million after of egg the years
was finally broken by the evolution of this amniotic egg.
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was finally broken by the evolution of this amniotic egg. 与水的联♥系♥终于被断开

amniotic broken evolution was finally of egg the this by