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4391 篇文章
Relatives of the trilobites,
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Relatives of the trilobites, 它们是三叶虫的亲戚

trilobites relatives of the
the arrival of plants
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the arrival of plants 植物的到来

plants arrival of the
the most visible signs of life on our planet.
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the most visible signs of life on our planet. 植物 是我们星球上的生命最鲜明的标志

signs visible most life of the planet our on
But redwoods are just one of more than 400,000 species of plant,
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But redwoods are just one of more than 400,000 species of plant, 但是红杉只是40万植物物种中的一个

redwoods plant than species just more of are but one
Reaching heights of more than a hundred meters,
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Reaching heights of more than a hundred meters, 高度超过100米

meters reaching heights than more of hundred a
Key was the evolution of a new compound,
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Key was the evolution of a new compound, 其关键是一种新化合物的进化

compound evolution key was new of the a
had what it took to overcome the extreme hostility of barren Earth.
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had what it took to overcome the extreme hostility of barren Earth. 才能克服贫瘠地球的极度险恶

hostility overcome had took extreme what barren it of the to earth
lichen are a strange combination of fungi and algae...
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lichen are a strange combination of fungi and algae... 而是真菌和藻类的奇怪组合

combination lichen algae fungi strange of are and a
more like the surface of the moon...
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more like the surface of the moon... 更像是月球表面

moon surface like more of the
For most of our planet's history,
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For most of our planet's history, 在我们星球的大部分历史中

history planet's most for of our