- For the foxes, boom time has come to an end.
对于狐狸来说 美好时光已经接近尾声
- But the mother has given her cubs the best possible start in life.
但是母亲已经给了它们一个最好的开端
- The geese will continue grazing the tundra
雪雁还将一直在苔原上吃草
- until the summer ends and they're forced to head south for the winter.
直到夏天结束 它们才会被迫南迁过冬
- At these latitudes, the sun's rays are weak
在这样的高纬度 阳光的强度非常微弱
- and grass can only grow here for a few months a year.
这里的草儿只有几个月的生长期
- But further south, summers are longer and the grasslands flourish.
但是在更远的南边 夏天的时间更长,草原更加茂盛
来自《行星地球 第一季 第七集 Planet Earth S01E07 伟大草原》第 132 行