Only then do they close in behind the herd. 这时他们才从背后接近野牛群
The teenager will never stray from the herd again. 这只小象再也不会离队
The herd has its own defense against the cheetahs' blistering speed. 兽群自有 对抗猎豹惊人速度的防御策略
and follow their herd in search of fresh growth. 并跟随兽群寻找新长出的草
In the clearing, a herd of early mammals graze. 空地上 一群早期哺乳动物在吃草
To the west, a herd of Alamosaurus... 在西边 一群阿♥拉♥摩龙