Some grew to be monstrous predators. 有一些长成了巨大而可怕的捕食者
vertebrates had continued to evolve... 脊椎动物继续进化
Their flight is as close to perfect as it gets. 它们的飞行几乎堪称完美
would eventually launch them to global success. 最终将使它们在全球范围内取得成功
were the first creatures to take to the skies. 成为率先上天的生物
She prefers to wait for prey to come to her. 它更喜欢等待猎物靠近
He must frequently stop to get his bearings 在追逐猎物的过程中
But there is one drawback to life in the fast lane. 但是快车道上的生活也有一个缺点
If scaled up to human proportions, 如果按照人类的比例放大