This astronaut photo shows two major valley glaciers: large masses of slowly flowing ice and entrained debris that move downhill, carving out wide valleys.

这张由宇航员拍摄的照片展示了两个主要的山谷冰川：几处缓慢流动的巨大冰块和被冰川夹带着沿坡而下的碎屑，勾勒出广阔的山谷景观。

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It showed the ice-encrusted north face of Everest and, below it, the great river of ice known as the Main Rongbuk Glacier, flowing in a sweeping, S-shaped curve down a broad, stony valley.

照片显示珠峰北坡被冰雪所覆盖，在它下面“大绒布”冰河以大幅度弯曲的“S”型曲线穿过广阔并充满岩石的峡谷。

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In each case, the glacier surged as much as two kilometers down the valley and blocked the Abdukagor River with ice DAMS as much as 100 meters high.

每一次冰川都顺着山谷向前冲击了大约2千米，冲击所形成的冰块大坝阻塞了Abdukagor河，使其标高达到100米之高。

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Pointing towards a bluish mass of ice in a distant valley, he explains that in the 1930s the Black Rapids Glacier became the fastest moving ever recorded, sometimes advancing as much as 200 feet a day.

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On the far side is a valley engulfed with ice, which disappears from view between the crags.

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