- But just as some mammals evolved to feed on the grass,
但在一些哺乳动物 进化成以草为食的同时 - others evolved to feed on the grazers.
另一些哺乳动物 则进化为以食草动物为食 - Hunters.
猎手 - 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 - Many eyes...
许多双眼睛 - ...spot the danger early.
很早就发现了危险 - Running bodies create confusion
兽群奔跑制♥造♥混乱