当他们融化数年之久。

As they melt the years away.

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雪和冰反射了大概超过90%左的太阳能量，然而，附着在冰层上方的烟尘，会加热下方冰层，将他们融化成水。

Snow and ice normally reflects much of the sun's energy — up to 90 percent — back the way it came. But a layer of soot on top of the ice will absorb the sunlight, warm the ice beneath, and melt it.

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他们从马车上找来任何可以用的材料搭帐篷，并杀了牛充饥。他们期盼着冰雪融化，但希望一再落空。

Building makeshift tents out of their wagons and killing their oxen for food, they hoped for a thaw that never came.

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