- The vast majority of the goslings are still flourishing.
成千上万的小雪雁还在茁壮成长
- Their parents lead them down to the safety of the water as soon as they're strong enough to make the journey.
它们强壮得可以旅行时, 父母马上就带着它们来到更为安全的水域
- 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
来自《行星地球 第一季 第七集 Planet Earth S01E07 伟大草原》第 130 行