frost/frɔst; (US) frɔːst/
n.1. 严寒；冰点以下的温度Frost can kill off a young plant.严寒会摧毁幼苗。
2. 严寒天气3. 霜The grass was covered with frost.草上盖满了霜。
Frost has killed several of our new young plants in the garden.霜冻把我们花园里新栽的几棵小植物冻死了。
There is still frost in the ground.地面还冻着。
4. of frost 冰点之下There was 5 degrees of frost last night.昨晚气温为零下五度。