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》

That afternoon fresh flakes drifted down upon them, so that even their sheltered clearing had a fresh dusting of powdery snow.

下午天空中又飘起雪花，连他们所在的这片有遮挡的空地也撒上了一层晶粉。

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He had bowed to the Banks of the Yellow River, when a huge snow-storm blew up, dropping powdery snow for three days and nights without cease.

虚老拜到黄河岸的时候，正逢天降大雪，三天三夜下得不停。

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Utah is blessed with powdery snow that is slippery without being particularly wet, a resource that it shares with very few other places.

ECONOMIST: Lexington

The snow comes across the Great Salt Lake Desert, hits the Wasatch mountain range and gets pushed up and turned into light, but consistent powdery snow.

BBC: Living in: Ski resort towns

Kansas was the epicenter of the winter storm, with parts of the state buried under 14 inches of powdery snow, but winter storm warnings stretched from eastern Colorado through Illinois.

NPR: Winter Storm Blankets Great Plains With Snow