冰雪世界 14-英语听力

[00:00.000]It may look like fun
看起来好像很好玩 [00:03.108]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 [00:06.707]There's no food on the slopes
雪坡上没有其他食物了 [00:08.681]and the family will need to head out across the frozen sea
一家子需要走过冰封的海洋 [00:12.025]before the mother's milk runs dry
这得赶在妈妈断奶之前 [00:15.310]Two weeks later they're ready
两周之后它们到了 [00:19.675]Out on the sea ice the female can hunt for seals
母熊可以在冰面上猎捕海豹 [00:23.786]but it'll take all her mothering skills
妈妈必须使出浑身解数 [00:26.343]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 [00:33.506]The annual melt has begun
一年一度的冰雪开始融化 [00:38.522]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 [00:42.469]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 [00:49.679]As the sun's influence increases
太阳越来越热了 [00:52.047]the sea ice seems to take on a life of its own
海上的冰块也好像有了生命 [00:56.227]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 [01:00.964]and speeding up the thaw
加速了冰的融化速度