colorless and smell-less gas which burns very easily
详尽释义
n.
名词
【化】氢(元素符号H)
氢气
英英释义
Noun:
a nonmetallic univalent element that is normally a colorless and odorless highly flammable diatomic gas; the simplest and lightest and most abundant element in the universe
例句
用作名词 (n.)
Hydrogen is highly explosive. 氢极易爆炸。
Hydrogen and oxygen are gases. 氢和氧是气体。
A molecule of water consists of two atoms of hydrogen and one atom of oxygen. 水分子含有两个氢原子和一个氧原子。
常见句型
用作名词 (n.)
Hydrogen combines chemically with oxygen to form water. 氢和氧化合成为水。