A couple of inches of dry, powdery snow had fallen.

降下了好几英寸厚的粉状干雪。

《柯林斯英汉双解大词典》

youdao

Even Peter could not come any more, for a deep snow had fallen over night.

彼得也不能再来了，因为昨晚下了一场大雪。

youdao

He had lost everything. He lay in the snow for a few moments.

VOA: special.2010.06.26

We wondered if a ceiling had fallen down, or a mass of snow had slid down the roof, but there was no sign of either.

BBC: Cumbria quake: Your comments

Joby had been at a Snow Patrol concert in the Odyssey on 25 January.

BBC: Joby Murphy had been missing for about four weeks

"We had a lot of snow this afternoon from about 12pm onwards with about four inches of snow falling, " she said.

BBC: North Yorkshire drivers warned of ice after heavy snowfall