and become the world's most dangerous predator. 成为世界上最危险的捕食者

248. All they need is a little encouragement.
     只需稍加鼓动
249. By the early Holocene,
     到全新世早期
250. humans had spread out of Africa to almost every continent on Earth
     人类已从非洲 扩散到地球上几乎每一个大♥陆♥
251. and become the world's most dangerous predator.
     成为世界上最危险的捕食者
252. While our rise contributed to the global extinction of large land animals,
     尽管我们的崛起导致 大型陆地动物在全球灭绝
253. our story could have been a short one
     但如果表现不够出色
254. had we not done something remarkable.
     我们的故事原本可能非常短暂

来自《我们星球上的生命 第一季 第八集 Life on Our Planet S01E08 冰与火的世纪》第 251 行