This is the story of their epic journey... 本集将讲述它们史诗般的征程

3. and fallen.
   然后衰亡
4. But one remarkable dynasty has had a greater impact than any other.
   但有一个非凡的王朝 比其他任何王朝都更具影响力
5. The mammals.
   哺乳动物
6. This is the story of their epic journey...
   本集将讲述它们史诗般的征程
7. ...to become rulers of the world.
   成为地球统治者的故事
8. Hidden in the ancient Jurassic forests...
   躲藏在古代侏罗纪森林之中
9. mammals came from humble beginnings...
   哺乳动物出身卑微

来自《我们星球上的生命 第一季 第七集 Life on Our Planet S01E07 地球继承者》第 6 行