the world's second mass extinction. 这是世界上第二次大规模灭绝

358. Only the lucky few, including early sharks,
     只有少数幸运者得以存活
359. were able to survive.
     其中就包括早期的鲨鱼
360. In all, 80% of marine life was wiped out in this,
     80%的海洋生物因此死亡
361. the world's second mass extinction.
     这是世界上第二次大规模灭绝
362. And yet this is only half the story.
     但这还只是故事的一半
363. The nutrients that caused the plankton explosion
     引起浮游生物暴增的养分
364. didn't start out in the sea.
     并非来自海洋

来自《我们星球上的生命 第一季 第二集 Life on Our Planet S01E02 第一前线》第 361 行