to grow from first shoots to flower in a matter of only days. 完成从发芽到开花的全过程
It's now a battle of will as much as strength. 现在是体力与毅力的双重考验
they're the most dangerous animal a lion can face. 狮子能遇到的动物中 水牛是最危险的
If their mothers don't make a kill soon, 如果母狮们短时间内捕不到猎物
For one pride of lions, this poses a major problem. 对于狮群来说 这成了最大的问题
and the grassland undergoes a radical change. 草原也完全变了样子
The rain that a grassland needs to survive for a year 草原生长所需的年降雨量
that they're built for a life on the move. 预示着它们一生都将奔波在路上
A relic from the Ice Age, a baby Saiga antelope, 一种冰川时代存活至今的生物 高鼻羚羊幼崽