1.
A gray sky at night means that the western air is filled with moisture and it will likely rain soon.
夜间天空发灰代表西面空气水汽充沛，将要下雨。
2.
Warm air can contain more water vapor than cold air.
热空气要较冷空气容纳更多的水蒸汽。
3.
If it were not for the vapour in the air, there would be no dew.
如果空气中没有水汽，就没有露水。
4.
The enclosed space contains air, water vapor, and sufficient excess water so that the vapor is saturated.
封闭容器的空间内储有空气、水蒸汽和足够的使水蒸汽饱和的水。
5.
These are boxes containing air that is super-saturated with water vapour.
这是一些装有水汽过饱和空气的容器。
6.
being moved or acted upon by moving air or vapor.
被流动的空气或水汽移动的。
7.
Water vapor accounts for about 4% by volume in moist areas.
在气候潮湿地区，水汽按体积占（空气体积）4％左右。
8.
With the temperature unchanged, the air is made to reach condensation by adding water.
在温度不变时，通过加入水汽而使空气达到饱和。
9.
The fuming is a result of hydrogen chloride's reaction with moisture in the air.
冒烟是氯化氢同空气中的水蒸汽反应的结果。
10.
The warm air steamed up his glasses as he entered the room.
他进房间时，热空气使他的眼镜布满了水汽。
11.
The higher the temperature of the air, the more water vapour it can absorb.
空气的温度越高，它能吸收的水蒸汽就越多。
12.
Rust is the product of a slow combination of iron with atmospheric oxygen and water vapor.
锈是铁和空气中的氧和水蒸汽缓慢结合的产物。
13.
The fields are steaming in the frosty air.
在雾茫茫的空气里,大地在散发着水蒸汽。
14.
The higher the temperature is, the more water could be held in the air.
温度越高，空气中可以包含的水汽也越多。
15.
Air is the agent that transports water vapor from one region to another.
空气是把水汽从一地送到另一地的媒介。
16.
water in a vaporous form diffused in the atmosphere but below boiling temperature.
在沸点以下弥散在空气中的蒸汽状态的水。
17.
Rain occurs when a mass of warm air laden with water vapor rises.
当满含水汽的暖空气团上升时，就会下雨。
18.
The warm air steamed up my glass as I entered the room.
我一进屋暖空气把我的眼镜蒙上了一层水汽。