With further melting, refreezing, and increased weight from newer snowfall above, the snow reaches a granular recrystallized stage intermediate between flakes and ice known as firn.
随着进一步的融化、再结冰，以及上方新的降雪增加的重量，这些雪变成再次结晶阶段的颗粒状中间物，介于小薄片与冰块之间，被称作万年雪。
Firn: granular partially consolidated snow that has passed through one summer melt season but is not yet glacial ice.
粒雪，万年雪：经过一个夏季的溶化期但仍未成冰川的粒状且部分沉固的雪。
Snowslide, The Flow of snow in wind, firn, it is snow Disaster in alp.
雪崩、风吹雪及厚层积雪，是高山和严寒地区特有的一种自然灾害。
Snowslide, The Flow of snow in wind, firn, it is snow Disaster in alp.
雪崩、风吹雪及厚层积雪，是高山和严寒地区特有的一种自然灾害。
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