BBC紀(jì)錄片《冰凍星球》世界的盡頭第8期:生命之泉

[00:00:07]South of the tree line, the winters are shorter, 林木生長(zhǎng)線以南 冬天更短了 [00:07:31]so trees grow faster and taller 因此樹木長(zhǎng)得更快更高 [00:10:25]and forests begin to appear. 樹林已現(xiàn)雛形 [00:14:08]As the warm, humid air from the south 當(dāng)來(lái)自南方的暖濕氣流 [00:16:52]meets the cold, arctic air, 遇到北極的冷空氣 [00:18:14]the moisture it carries crystallises and snowflakes 前者攜帶的水分便凝結(jié)成冰晶和雪花 [00:21:08]fall from the sky. 從空中徐徐飄落 [00:22:42]Each crystal forms around a particle of dust. 每片雪花都以一?；覊m為中心 [00:37:39]All have a six-fold symmetry 且具有六邊對(duì)稱性 [00:39:48]but no two have ever been found with exactly the same shape. 但世界上卻沒(méi)有兩片完全相同的雪花 [00:51:51]Their variety and complexity is breathtaking. 雪花的多樣性和復(fù)雜性令人嘆為觀止 [01:01:12]Each snowflake is water waiting 每片雪花都將在春天融化 [01:03:44]to be released in spring. 化作生命之泉 [01:05:59]For this reason, snow is the lifeblood 因此 雪是這片寂林 [01:08:45]of these silent forests 賴以生存的命脈 [01:10:52]and all that live here depend on it in one way or another. 一切生命都以某種方式依賴著它 [01:21:27]Some, like the great grey owl, 其中 以烏林鸮為例 [01:24:13]appear in spring for the boom times, 它們?cè)诖禾烊f(wàn)物復(fù)蘇時(shí)出現(xiàn) [01:27:42]then vanish like phantoms. 然后像幽靈一樣消失 [01:29:57]Others, like their lemming prey, 另一些 像它們的獵物旅鼠 [01:35:12]are here year-round beneath the snow, 則整年都待在雪下 [01:37:52]insulated from the cold air above. 以抵御外面的嚴(yán)寒

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