| 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。 |