及物动词
1. The windows were frosted over. 窗户上结了一层霜。
名词
1. He had a frost in his manner. 他态度冷淡。
2. Frost can kill off a young plant. 严寒会摧毁幼苗。
3. frost
3. The frost killed the young tomato plants. 寒霜冻死了西红柿幼苗。