Although rare, mass extinctions change the course of history like nothing else. 大规模灭绝虽然罕见 但会极大地改变历史的进程
a landscape where almost nothing can live. 几乎没有生物能在这里生存
But frogs are nothing if not persistent. 但青蛙生性坚持不懈
With the world made up of nothing but toxic air and rivers of molten rock... 当时的世界只有 有毒气体和熔岩河流
Earth looked nothing like the world we know today. 地球的样貌与现在完全不同
With nothing to separate them, a fight is inevitable. 没有东西将它们隔离 大战不可避免
would go on to change our planet like nothing before. 将以前所未有的方式改变我们的星球