氢的用法和样例:
例句
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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.