lived all the major animal groups that we recognize now. 生活着 我们现在所认识的所有主要动物群

302. Along the way, they had created so many new environments
     在此过程中 创造出许多新的环境
303. that the dinosaurs had become more successful than ever before.
     以至于恐龙取得了前所未有的成功
304. Beneath their feet
     在它们脚下
305. lived all the major animal groups that we recognize now.
     生活着 我们现在所认识的所有主要动物群
306. Dynasties from throughout the ages.
     有亿万年中坚持下来的王者
307. Survivors from another era.
     有来自另一个时代的生存者
308. Along with those that had more recently come to the fore.
     也有最近才崭露头角的角色

来自《我们星球上的生命 第一季 第五集 Life on Our Planet S01E05 巨兽阴影下》第 305 行