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
But they weren't the only animal survivors. 但它们不是仅存的幸存动物
they are now one of the few lucky survivors of Armageddon. 如今成为巨灾中的少数幸存者之一
With most vegetation destroyed by the extinction, 由于灭绝事件导致大部分植物毁灭
...an ancient ancestor of the mammal. 哺乳动物的古代祖先
found itself perfectly placed to take over the world. 刚好处于占领世界的完美位置
became the dominant life-form on Earth. 成为了地球的主宰