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- 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.
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