for they can look forward to the end of winter 因为可以期待冬天的结束
Their only hope is to turn and face their pursuers. 它们唯一的希望是转身直面对方
...the pack needs to get them moving. 狼群得让野牛群动起来
as grass is hard to find beneath the snow. 因为冰雪之下很难找到草
they need little energy to keep warm... 所以它们不需要多少能量 就能保持温暖
that would bring life to the brink of extinction. 将生命推向灭绝边缘
it has been too warm for ice to form. 温度都太高 无法形成冰冻
But there is one more chapter in the mammal story still to be told. 但是哺乳动物的故事 还有一章仍待讲述