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- Water contains hydrogen and oxygen. 水含有氫和氧。
- Water is composed of hydrogen and oxygen. 水由氫和氧組成。
- Water is composed of the elements hydrogen and oxygen. 水是由氫元素和氧元素組成的。
- Water may be resolved into hydrogen and oxygen. 水可以分解為氫和氧。
- The hydrogen is the known the lightest element. 氫是已知的最輕的元素。
- Hydrogen and oxygen combine/Hydrogen combines with oxygen to form water. 氫與氧化合成水。
- A molecule of water consists of two atoms of hydrogen and one atom of oxygen. 水分子含有兩個氫原子和一個氧原子。
- Water can be dissolved into hydrogen and oxygen. 水能分解成氫和氧。
- Both hydrogen and oxygen are elements. 氫和氧都是化學元素。
- Hydrogen is a one-valence element. 氫是一價的元素。
- Water is a compound of hydrogen and oxygen. 水是氫和氧的化合物。
- This metal acts on water to set hydrogen free. 這種金屬作用於水，就釋放了氫氣。
- Water can be broken down into hydrogen and oxygen. 水可以分解為氫和氧。
- Water is made up of oxygen and hydrogen. 水是由氫和氧構成的。
- Water is said to consist of oxygen and hydrogen. 據說水由氫氣和氧合成。
- He was busy filling out the balloon with hydrogen. 他正忙著給汽球充氫氣。
- Hydrogen is by far the lightest of all elements. 氫是所有元素中最輕的。
- Letter "O" stands for oxygen and "H" for hydrogen. 字母「O」代表氧，「H」代表氫。
- If the hydrogen is ignited it is likely to explode. 如果氫被點燃,它就可能爆炸。
- Hydrogen combines with oxygen to form water. 氫與氧化合形成水。
