“水蒸气”造句

两种主要的燃烧产物是水蒸气和二氧化碳。
The two principal combustion products are water vapor and carbon dioxide.

水蒸气是气态的水.
Water vapor is water in the form of a gas.

云是由大气中的水蒸气凝结成的.
A cloud is a condensation of water vapour in the atmosphere.