852 篇文章
there had been hundreds of ancient species living in the trees,
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there had been hundreds of ancient species living in the trees, 树上居住着数百种古老的物种

Today, there are more than 3,000 species of snake.
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Today, there are more than 3,000 species of snake. 如今世界上有超过3000种蛇

there were more species on land than in the oceans.
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there were more species on land than in the oceans. 这在地球历史上是第一次

there was such an explosion in biodiversity...
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there was such an explosion in biodiversity... 生物多样性出现爆♥炸♥式增长

Today, there are ten times more flowering plants
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Today, there are ten times more flowering plants 如今 开花植物的数量

But there was one remarkable era
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But there was one remarkable era 但有一个令人瞩目的时代

But there are differences.
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But there are differences. 但确有不同之处

Even then, there are times when more drastic measures are called for.
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Even then, there are times when more drastic measures are called for. 即便如此 有时也需要更极端的措施

Today, there are more than 10,000 species of reptile...
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Today, there are more than 10,000 species of reptile... 如今有超过一万种爬行动物

For there is one particular life-form that thrives on dead organic matter.
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For there is one particular life-form that thrives on dead organic matter. 因为有一种生物 依靠死亡的有机物兴旺发展