Car windows accumulate frost on winter mornings.
The frost had a bad effect on the crops.
The frost killed all the flowers.
The hoarfrost has not begun to thaw yet.
Frost touched the flowers.
The frost did much harm to the crops.
Frost touched the flower.
There is frost on the grass.
All the early flowers were bitten by the frost.
The crop suffered serious damage as a consequence of the early frost.
The ground was covered with frost this morning.
We had a heavy frost this morning.
Floods, violent wind storms, droughts, killing frosts, and the problems of air pollution have all, on occasion, influenced modern society.
The apple-blossom was touched by the frost.
The frost rendered the orange crop worthless.
The plants were damaged by the frost.
There is frost on the road.
A heavy frost is expected tonight.