美国中西部的爱荷华州、密歇根州和印第安纳州正在融化的积雪和新下的雪已经使河水漫过河岸，并切断了数千名用户的电力供应。
Melting snow and new snowfall in the midwest states of Iowa, Michigan and Indiana have driven rivers over their banks and have cut off electricity to thousands of customers.
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。
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.
沿着一条穿过森林的小路向当地的高地 Shutlingsloe 走去，无意间我来到了一小块空地，随即立刻注意到在新雪映衬下的枯黄的草。
Walking up a path through the forest towards Shutlingsloe, a local high point, I came across a small clearing and immediately noticed the dead yellow grasses set against the fresh snow.
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