冰架的边缘变薄将导致冰河流动更快。
Thinning of the ice shelf at the fringes leads toglaciers moving more quickly.
这是一条真正的冰河，伯德冰川以每年0.8公里（约0.5英里）的速度流过横贯南极山脉，是流动相对较快的冰川。
Truly a river of ice, Antarctica's relatively fast-moving Byrd Glacier courses through the Trans-Antarctic Mountains at a rate of 0.8 kilometers [0.5 miles] per year.
绝大多数冰河流动都很缓慢，但有时，有一条冰河在一、二年中会突然流到前面去，这样的冰河被称之为“汹涌的冰河”。
But sometimes one will suddenly speed ahead for a year or two. These are called surge-glaciers.
这些巨大的、缓慢流动的冰河，其覆盖面积达75000平方公里，在这些冰河中大约有十万条冰河流下山。
These huge, slow-moving masses of ice cover about seventy-five thousand square kilometers. About one hundred thousand of these rivers of ice flow down mountains.
这些巨大的、缓慢流动的冰河，其覆盖面积达75000平方公里，在这些冰河中大约有十万条冰河流下山。
These huge, slow-moving masses of ice cover about seventy-five thousand square kilometers. About one hundred thousand of these rivers of ice flow down mountains.
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