into a desolate graveyard. 变成了荒芜的坟场

353. As they warmed and acidified,
     随着海洋变暖和酸化
354. oxygen levels plummeted...
     氧含量锐减
355. turning the seas, where life first took hold,
     最早孕育生命的海洋
356. into a desolate graveyard.
     变成了荒芜的坟场
357. This was the planet's third,
     这是地球上第三次
358. and most devastating, mass extinction.
     也是最具毁灭性的大规模灭绝事件
359. Ninety percent of all species
     90%的物种

来自《我们星球上的生命 第一季 第三集 Life on Our Planet S01E03 入侵大地》第 356 行