早晨的草地上覆盖着一层薄薄的霜。

The grass was covered with light ___frost in the early morning.

妈妈用糖粉装饰了杯子蛋糕。

Mom ___frosted the cupcakes with powdered sugar.

昨晚的霜冻让花园里的植物都蔫了。

Last night's ___frost made all the plants in the garden wither.