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The break-up of the bergs fills the bays of the Arctic
遍布北冰洋的冰山碎片
with exquisite ice sculptures.
盡顯大自然的鬼斧神工
It also releases great volumes of cold, fresh water into the sea.
同時(shí) 還為海洋帶來了大量冰冷的淡水
Greenland's meltwater
格陵蘭的冰川融水
influences the course of the ocean currents,
影響到洋流的流向
which, in turn, has an effect on the weather around the world.
而這又會(huì)對(duì)全球氣候構(gòu)成影響
The Arctic is closer to home than many of us realise.
很多人不知道 北冰洋離人類家園其實(shí)很近
It includes the northernmost parts of the three continents
它涵蓋了三塊大陸的極北區(qū)域
on which most of us live - Europe, Asia and North America.
歐洲 亞洲 北美 人類大多居住于此
The first bare land we reach on our journey south
我們南行之旅遇到的第一片荒原
is a bleak treeless wilderness known as tundra.
就是寸草不生的所謂"凍土帶"
Each spring, animals travel up from the south,
春季 動(dòng)物從南部向北遷徙
to be ready for the rich grazing
春水融融下豐饒的牧草
that will be unveiled by the spring melt.
唱出了生之召喚
For the caribou,
對(duì)馴鹿來說
the timing is critical.
時(shí)機(jī)至關(guān)重要
Arrive early and a winter storm could kill you.
到來過早便會(huì)被暴風(fēng)雪所吞噬
Delay too long and you may fail to lay down the fat
到來過晚便無法蓄積足夠的脂肪
needed to survive a polar winter.
挨過極地的寒冬
