例句：
1. The air was thin and crisp, filled with hazy sunshine and frost.
空气稀薄清新，其间日光蒙眬，寒气逼人。
2. We had 11 degrees of frost last night.
昨天夜里气温降到了零下11度。
3. It will be a clear night with some ground frost .
今夜晴，部分地面有霜冻。
4. Jack Frost was threatening to kill the new plants.
霜降危及新作物的`存活。
5. The frost last week was a great calamity to the citrus industry.
上周的霜冻对柑橘种植业是一场大灾难.
6. Fill the cooling system with antifreeze as a protection against frost.
在冷却系统里加防冻剂以防止霜冻.
7. The towering pine and cypress trees defy frost and snow.
松柏参天傲霜雪.
