| 1. | Cold weather set in abruptly with a killing frost .
下了一阵霜，天气就骤然变冷了。 |
| 2. | Rain or snow falls when a cloud is cooled suddenly .
当一块云突然变冷时，就降雨或降雪。 |
| 3. | Helene's eyes chilled .
埃莱娜的眼睛变冷了。 |
| 4. | Just at sunset the air turned cold and the sky cloudy .
夕阳西下时，空气变冷了，天空布满了云。 |
| 5. | When air is heated, it expands and when air is cooled, it contracts .
当空气被加热时，它就膨胀；当空气变冷时，它就收缩。 |
| 6. | Land areas blanketed with vegetation heat and cool more slowly than barren areas do .
植物覆盖的地面变暖和变冷比不毛地面慢。 |
| 7. | The phenomenon is also of frequent occurrence at night when the earth's surface becomes cooled by radiation .
在夜间，当地球表面因辐射而变冷时，常常有这种现象发生。 |
| 8. | If the bulb of a gas thermometer is placed in successively colder environments, it records successively lower pressures .
如果把气体温度计测温泡逐一放进渐渐变冷的各个环境中去，它所记录的压强值也就递减。 |
| 9. | Take warm clothes in case the weather is cold
多带些暖和的衣服，以防天气变冷。 |
| 10. | 82 it is not at all a nice day . it will get colder
天气一点也不好，要变冷起来。 |
