水汽凝结体

例句：

1. 1. The air is so dry that it can cause water vapor to condense into clouds.
   空气如此干燥以至于它可以使水蒸气凝结成云。
2. 2. The raindrops on the window are evidence of water vapor condensing from the air.
   窗户上的雨滴是空气中的水蒸气凝结的证据。
3. 3. The formation of ice crystals in winter is a result of water vapor condensing at lower temperatures.
   冬天冰晶的形成是因为水蒸气在较低温度下凝结的结果。