窗玻璃上结满了美丽的霜花。

Beautiful ___frost patterns have formed on the windowpane.

树枝上覆盖着一层厚厚的霜雪。

The branches are covered with a thick layer of ___frost.

清晨的草地上覆滿了霜。

The grass was completely ___frosted over in the early morning.

早晨的霜冻让草坪变成了白色。

The morning ___frost turned the lawn white.