will survive the perils of the mountain winter. 才能在山脉的寒冬中存活下来

79. the first eagle must now continue its search.
    第一只雕只能继续它的觅食之旅
80. It may be many days before she feeds again.
    也许下一次饱餐就是数日之后的事情了
81. Only the most competitive
    只有最具竞争力的生物
82. will survive the perils of the mountain winter.
    才能在山脉的寒冬中存活下来
83. An avalanche.
    一场雪崩
84. 100,000 tonnes of snow
    十万吨积雪
85. travelling at 80 miles an hour,
    以一百三十公里的时速席卷而下

来自《行星地球 第二季 第二集 Planet Earth S02E02 山脉》第 82 行