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- 水是由氢元素和氧元素组成的。
Water is composed of the elements hydrogen and oxygen.
- 水分子含有两个氢原子和一个氧原子。
A molecule of water consists of two atoms of hydrogen and one atom of oxygen.
- 水由氢和氧化合而成。
Water is composed of hydrogen and oxygen.
- 氢和氧是气体。
Hydrogen and oxygen are gases.
- 水含有氢和氧。
Water contains hydrogen and oxygen.
- 氢极易爆炸。
Hydrogen is highly explosive.
- 两个氢原子和一个氧原子结合而成一个水分子。
Two atoms of hydrogen combine with one atom of oxygen to form a molecule of water.
- 水由氢和氧组成。
Water is composed of hydrogen and oxygen.
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