Before long, the walls started to crumble from the inside out... 不久之后 墙开始从内部碎裂
a mammal armed with more intelligence and adaptability than any before. 一种哺乳动物 拥有史上最强的智力和适应性
They evolved flight long before the mammals. 进化出飞行技能远早于哺乳动物
something that would challenge mammals as never before. 这将对哺乳动物提出前所未有的挑战
allowed the penguins to exploit the seas like never before. 使企鹅能够 以前所未有的方法利用海洋
Richer than anything that had gone before... 比任何已经灭绝的物种都更为丰富
first began long, long before the asteroid. 其实在小行星撞击之前很久就开始了
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
dinosaurs thrived like never before. 得到了前所未有的兴旺发展