他想，他们越往里走，冰就会越硬。
The farther in they went, he thought, the harder the ice would become.
他的靴子上全部都是冰，一条条冰凌硬的象铁一样，他必须用刀把它们都切掉。
The strings on his boots were as hard as steel. He would have to cut them with his knife.
你是否有过因为刮车窗上的冰，让双手变得又红又硬的经历？
Ever scraped ice from your car Windows until your hands were stiff, cold and raw red?
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