水蒸汽的用法和样例：
例句
-
水被加热时，可以变成水蒸汽。
Water can be changed into vapor when heated. -
水蒸汽触及冷的表面即凝结成水。
Steam is condensed to water when it touches a cold surface. -
洗澡，沐浴在水或水蒸汽里浸泡或洗净身体
The act of soaking or cleansing the body, as in water or steam. -
水受热变成水蒸汽。
Heat evaporates water into steam. -
云是由水蒸汽凝缩而成的。
A cloud is a condensation of water vapour.
