氫的用法和樣例：
例句
-
水是由氫元素和氧元素組成的。
Water is composed of the elements hydrogen and oxygen. -
水分子含有兩個氫原子和一個氧原子。
A molecule of water consists of two atoms of hydrogen and one atom of oxygen. -
水由氫和氧化合而成。
Water is composed of hydrogen and oxygen. -
氫和氧是氣體。
Hydrogen and oxygen are gases. -
水含有氫和氧。
Water contains hydrogen and oxygen. -
氫極易爆炸。
Hydrogen is highly explosive. -
兩個氫原子和一個氧原子結合而成一個水分子。
Two atoms of hydrogen combine with one atom of oxygen to form a molecule of water. -
水由氫和氧組成。
Water is composed of hydrogen and oxygen.
