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》

SWINE flu may get the headlines; but white-nose syndrome, a fungal disease that shows as a powdery pattern on the face, wings and legs of bats, is moving far more swiftly across America.

猪流感可能够抢眼了了，但白鼻综合症，一种可以通过蝙蝠的脸，翅膀，腿传播的粉状病毒，目前正在美国迅速开来。

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Then we glissaded down the powdery slopes, jumped aboard our waiting helicopter, and flew to a picnic spot at the edge of an obliterated forest.

我们一路滑下火山灰覆盖的山坡，登上等候的直升飞机，飞往一处在被毁坏的森林边上的野餐地。

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As red earth gave way to gray and what looked like a shoreline, veins of a powdery white mineral appeared in the ground.

NEWYORKER: The Martian Chroniclers

On September 25, the woman had contact with a letter or package with a white powdery substance and began experiencing symptoms of cutaneous anthrax three days later.

CNN: Cutaneous anthrax most common, most survived

The original Oscar and its attendant bath products have received updated and far finer packaging, and last spring, just in time for Mother's Day, a fresher, less powdery spin-off called Esprit d'Oscar was introduced.

WSJ: Oscar de la Renta's Next Big Act