Yet on the margins of this barren and lifeless landscape, 然而在这片贫瘠而无生命的陆地边缘
and a single immense land mass on the other, 在另一边形成了一个巨大的陆地
creating a vast ocean on one side of the world... 在世界的一边形成一片广阔的海洋
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
relied on death for their success. 并非都依赖死亡而获得成功
became the dominant life-form on Earth. 成为了地球的主宰
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
Lying dormant for years on end, the colossal forces at work beneath Earth's surface 埋在地球表面之下多年的巨大力量