BBC听力 | 冰雪世界 14
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It may look like fun
看起来好像很好玩
but this is serious training for the task ahead
但这种严肃的训练是为了完成未来的任务
There's no food on the slopes
雪坡上没有其他食物了
and the family will need to head out across the frozen sea
一家子需要走过冰封的海洋
before the mother's milk runs dry
这得赶在妈妈断奶之前
Two weeks later they're ready
两周之后它们到了
Out on the sea ice the female can hunt for seals
母熊可以在冰面上猎捕海豹
but it'll take all her mothering skills
妈妈必须使出浑身解数
to keep her cubs safe in this dangerous world of ice
才能在这个危险的冰雪世界中保护好孩子
The annual melt has begun
一年一度的冰雪开始融化
This is a challenging time for the bear family
这对北极熊一家来说是个困难的时期
One out of every two cubs do not survive their first year out on the ice
在这样的冰雪中,第一年里两只小熊中只有一只能存活下来
As the sun's influence increases
太阳越来越热了
the sea ice seems to take on a life of its own
海上的冰块也好像有了生命
Glacial melt waters pour from the land mingling with the sea
陆地冰川融化的雪水流了下来汇入海中
and speeding up the thaw
加速了冰的融化速度
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