- These fertile waterways became the lifeblood of a new world...
这些肥沃的水道成为新世界的命脉 - the fuel for evolution.
进化的源泉 - Conifers rose to the fore.
针叶树崛起 - And for the first time since the Permian extinction...
自从二叠纪灭绝以来 - our planet returned to a forested land of giants.
我们的星球 第一次变回巨型生物的森林地 - Many ancient reptiles failed to adapt to this new landscape.
许多古代爬行动物 未能适应这片新的土地 - But one group embraced this change in plant life...
但有一群生物 拥抱了这种植物生态的变化