BBC紀(jì)錄片《冰凍星球》極地之限第2期:冰雪消融

[00:00:01]During the months underground, 在地下的數(shù)月時間里 [00:01:59]all they've known is their mother. 它們只認(rèn)識自己的母親 [00:04:23]Now, the big, wide world holds all sorts of challenges 如今 對于這些勇敢的小小探險家來說 [00:08:42]for these brave, young explorers. 廣闊的世界充滿各種挑戰(zhàn) [00:11:08]The mother leads her new family out over the frozen sea 熊媽媽帶領(lǐng)新家庭來到冰凍的海面上 [00:23:26]to hunt for seals. 捕獵海豹 [00:25:32]But the spring melt is already under way. 但春季的冰雪消融已悄然而至 [00:37:01]All across the Arctic, the sun's warming effect is increasing. 在北極 陽光的增溫效應(yīng)不斷加速 [00:41:47]Sea ice is showing the first signs of weakening. 海冰首度出現(xiàn)了融化的跡象 [00:48:43]Inland, the northern rivers are still locked in ice. 在內(nèi)陸地區(qū) 北部的河流仍處于冰封期 [00:56:10]The frozen waterfalls are like dams, 凍結(jié)的瀑布如同大壩一般 [00:58:40]holding back billions of tonnes of fresh water 儲備著數(shù)十億噸 [01:01:28]that has not moved for almost six months. 凍結(jié)已近半年的淡水資源 [01:08:02]The vast watershed lies motionless. 如此巨大的水庫一直靜臥在那里 [01:10:49]But as spring advances, 但隨著春天的臨近 [01:12:29]it begins to stir. 它開始騷動起來 [01:19:41]The frozen waterfalls start to weaken. 凍結(jié)的瀑布逐漸消融 [01:23:12]Above them, the pressure is mounting. 上游處的壓力與日俱增

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