- Facing little competition and no large predators,
竞争很少 而且没有大型捕食者 - the volcanic eruptions turned it from a bottom-of-the-food-chain burrower...
火山喷发使它从食物链底端的挖洞者 - ...to the animal that inherited the Earth.
变为地球的动物继承者 - In the years following the mass extinction,
在大灭绝之后的岁月中 - they made up three-quarters of all vertebrate life on land,
它们占据了陆地脊椎动物的四分之三 - something no other animal has ever done.
这是其他动物从未做到过的 - But their dominance couldn't last,
但它们的统治无法持续
In the years following the mass extinction, 在大灭绝之后的岁月中
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