...and three-quarters of life on Earth. 地球上四分之三的生命化为乌有

225. that enveloped the globe.
     覆盖了整个地球
226. The cloud blocked out the sunlight,
     乌云遮住阳光
227. leading to the death of almost all dinosaurs...
     导致恐龙几乎全部死亡
228. ...and three-quarters of life on Earth.
     地球上四分之三的生命化为乌有
229. The annihilation was global.
     毁灭是全球性的
230. It was the world's fifth mass extinction.
     这是世界上第五次大规模灭绝
231. But there were survivors.
     但也有幸存者

来自《我们星球上的生命 第一季 第一集 Life on Our Planet S01E01 生命法则》第 228 行