In the winter snow or frost would cover most of the ground.
Frost covered the floor and walls of what seemed to be a storage or preparation area.
Frost covered her exposed face and hands, but her eyes blinked.
Eventually frost covers all the fans and channels until the next spring when the cycle repeats.
Frost and Silence drew their guns and covered the two approaches.
Frost covered the floor and the rows of hanging carcasses on their backwards journey through time.
A light frost of silica crystals covers the factory grounds.
During cold weather, a coating of ice called frost may cover the ground and trace beautiful patterns on windowpanes.
It is said that when the frost covers the lawns of Baltimore just across the bay, the grass remains unfrosted on the island.
By morning, frost would cover the ground, and the tent ropes would be stiff and frozen.