Water is made of one oxygen atom and two hydrogen atoms.

VOA: special.2009.09.30

And, even Cavendish, one of the things that he observed was that hydrogen could be combusted to produce water vapor.

甚至卡文迪许都观察到了,氢气燃烧,会产生水蒸气。

麻省理工公开课 - 固态化学导论课程节选

If we take hydrogen peroxide in the liquid state, it can break down to form water and oxygen.

如果我们有一些液态的过氧化氢，它会分解成水和氧气。

麻省理工公开课 - 热力学与动力学课程节选

The hydrogen reacts with oxygen to produce electricity and water.

VOA: special.2009.09.07