英语听力：自然百科 冰冻星球 前往地球尽头—7
时间：2014-05-28 06:24:01
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（单词翻译）
This, Jakobshavn Isbrae, is the fastest flowing glacier1 on our planet, moving as much as 14 meters a day. As it advances, it destroys everything in its path, even cutting its way through Greenland's great mountain ranges on its drive downwards2 towards the sea.
When speeded up, these solid rivers of ice seem to flow, just like liquid rivers.
This is the
titanic3 force that cuts down mountains and levels the surface of continents.
The ice is now entering the last stage of its descent. As it gains speed, huge
crevasses4 open that extend out to its very core. It’s reached the ocean and millions of tons of ice have lost the support of their rocky bed. Something must give. These ice falls are an
ominous5 sign of what is about to happen, a
rupture6 deep within the glacier.
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