It's why the modern condition is so different from the way that the chimpanzees live.

这就是为什么现代环境与黑猩猩的生活方式如此不同。

Folded behind were dragon forms and clouds of flying reptiles: still underneath were fishy beings of lower development; and so on, till the lifetime scenes of the fossil confronting him were a present and modern condition of things.

折叠在后面的是龙形和飞行的爬虫云：下面是低级发展的鱼类；依此类推，直到他面前的化石的生前场景成为事物的现在和现代状态。