林木生长线以南 冬天更短了
[00:07:31]so trees grow faster and taller
因此树木长得更快更高
[00:10:25]and forests begin to appear.
树林已现雏形
[00:14:08]As the warm, humid air from the south
当来自南方的暖湿气流
[00:16:52]meets the cold, arctic air,
遇到北极的冷空气
[00:18:14]the moisture it carries crystallises and snowflakes
前者携带的水分便凝结成冰晶和雪花
[00:21:08]fall from the sky.
从空中徐徐飘落
[00:22:42]Each crystal forms around a particle of dust.
每片雪花都以一粒灰尘为中心
[00:37:39]All have a six-fold symmetry
且具有六边对称性
[00:39:48]but no two have ever been found with exactly the same shape.
但世界上却没有两片完全相同的雪花
[00:51:51]Their variety and complexity is breathtaking.
雪花的多样性和复杂性令人叹为观止
[01:01:12]Each snowflake is water waiting
每片雪花都将在春天融化
[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 雪是这片寂林
[01:08:45]of these silent forests
赖以生存的命脉
[01:10:52]and all that live here depend on it in one way or another.
一切生命都以某种方式依赖着它
[01:21:27]Some, like the great grey owl,
其中 以乌林鸮为例
[01:24:13]appear in spring for the boom times,
它们在春天万物复苏时出现
[01:27:42]then vanish like phantoms.
然后像幽灵一样消失
[01:29:57]Others, like their lemming prey,
另一些 像它们的猎物旅鼠
[01:35:12]are here year-round beneath the snow,
则整年都待在雪下
[01:37:52]insulated from the cold air above.
以抵御外面的严寒
