The biggest extinction event in history has left the world barren... 史上最大的灭绝事件令世界一片荒凉

1. 252 million years ago...
   2.52亿年前
2. and our planet is dying.
   我们的星球正在死亡
3. The biggest extinction event in history has left the world barren...
   史上最大的灭绝事件令世界一片荒凉
4. and deathly silent.
   如死一般寂静
5. But this is the story of the few...
   但是本集将讲述少数…
6. ...that survived.
   幸存者的故事

来自《我们星球上的生命 第一季 第四集 Life on Our Planet S01E04 冷血动物》第 3 行