so too do the leaves of the newly sprouting grass. 也正是青草发新芽的时候
And the calves must strengthen quickly. 幼鹿必须迅速增强体能
Caribou females have journeyed to the far north 雌性北美驯鹿远赴北方
depends on the turn of the seasons. 都依赖于季节的更迭
To get through the winter on these prairies, 想要在这草原上度过严冬
And where the bison have dug, the fox now spots an opportunity. 在美洲野牛挖过的地方狐狸也见缝插针
For the bison, it will be a matter of brute strength. 对于美洲野牛来说 用蛮力就可以做到
The food the fox seeks is also deep beneath the snow. 狐狸在搜寻的食物也被深埋在积雪之下