BBC紀(jì)錄片《冰凍星球》世界的盡頭第2期:酷寒狂風(fēng)

[00:00:01]The poles are permanently capped with ice. 冰天雪地是兩極永恒的主題 [00:08:21]Nowhere is colder, 對(duì)于生命 [00:10:55]windier or more hostile to life. 那里的酷寒 狂風(fēng)是最嚴(yán)苛的挑戰(zhàn) [00:17:55]I'm standing at the North Pole - 我的腳下就是北極點(diǎn) [00:20:44]the very top of the Earth. 世界之巔 [00:23:43]Up here, it's easy to see 為何極地地區(qū)如此寒冷 [00:26:15]why the polar regions are so cold. 身臨其境時(shí) 體會(huì)更加深刻 [00:29:22]The sun never rises high enough in the sky to warm my back 太陽(yáng)的直射角度很小 鮮有陽(yáng)光照射下來(lái) [00:35:11]and those rays that do strike the surface 而即使光線到達(dá)了地表 [00:38:33]are mostly reflected back from this great whiteness. 大部分也會(huì)被這白茫茫的冰雪反射回去 [00:43:42]But the fundamental problem is that there's no sun here at all 但最重要的問(wèn)題是 這里有半年的時(shí)間 [00:49:14]for half the year. 完全沒(méi)有陽(yáng)光照射 [00:52:08]The polar winter is unrivalled in its harshness. 極地冬季的嚴(yán)酷 無(wú)與倫比 [00:56:07]A night that lasts for months. 一個(gè)夜晚可持續(xù)數(shù)月之久 [01:00:06]Only the toughest stay, as temperatures plunge 隨著溫度驟降到零下70攝氏度 [01:03:22]to minus 70 degrees centigrade. 只有最頑強(qiáng)的生命才能存活下來(lái) [01:06:00]And yet, the greatest challenge to life here is not the cold, 然而對(duì)于生命來(lái)說(shuō) 最大的挑戰(zhàn)并非寒冷 [01:10:49]but the extreme swings between the seasons. 而是劇烈的四季更迭 [01:15:58]When the sun finally returns, 當(dāng)太陽(yáng)再次升起時(shí) [01:18:43]an extraordinary transformation begins. 一次翻天覆地的轉(zhuǎn)變開(kāi)始了 [01:21:08]This frozen world begins to melt away. 這個(gè)冰凍的世界開(kāi)始融化

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