[U]氢 colorless and smell-less gas which burns very easily
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
组词搭配
动词+～
liberate hydrogen from从…中释放出氢
形容词+～
electrolytic hydrogen电解氢
heavy hydrogen重氢
～+名词
hydrogen atom氢原子
hydrogen bomb氢弹
hydrogen peroxide过氧化氢
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。
