在天气较冷的潮湿条件下,戴眼镜的同学在用热水洗脸或从室外进入室内时,眼镜上总是会蒙上一层厚厚的雾气;洗澡后,浴室的镜子上也会出现雾气。这些都是水蒸气在较冷的玻璃上凝结而成的,给人们的生活带来诸多不便。 Under the cold and humid conditions, students wearing glasses will always be covered with a thick layer of mist when they wash their face with hot water or enter the room from outside. After bathing, fog will appear on the bathroom mirror. . These are the condensation of water vapor on colder glass, which brings inconvenience to people’s lives.