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They may move too slowly for the human eye to appreciate,
它们可能速度太慢以致人的肉眼难以分辨
but as a speeded-up film of the Argentiere glacier shows,
如果用加速电影那么阿根蒂尔冰川显示
ice is very much on the move.
冰一直在频繁运动
Instruments underneath the Argentere
阿根蒂尔下方的工具
reveal that it's travelling at about a foot and a half a day.
揭示了它每天移动半米
Here in Europe, ice is confined to high mountain ranges.
这是欧洲，冰都覆盖在高山上
But in the polar regions,
但是在极地
it's cold enough for ice to cover vast areas of land.
气候足够冷所以冰覆盖了大部分土地
In Antarctica, a single ice sheet
南极洲，一个单独的大冰原
buries a continent bigger than the United States.
覆盖了一片比美国还大的土地
The ice sheet can reach a staggering two and a half miles thick
冰原有惊人的四千米厚
so only the peaks of high mountains, called nunataks, can poke through.
所以只有被称为冰源石山的高山的山顶，能刺穿冰层
This is a world where ice doesn't so much carve out a landscape,
这是个冰没怎么雕刻的景观
it is the landscape.
它自己就是景观
This ice world is so huge that some of its greatest wonders can only be seen from space.
冰的世界相当大 有些伟大的景色只有在太空中才能看到
