hydrogen

名词 hydrogen:

1. 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
   同义词：H, atomic number 1

1. Hydrogen and oxygen combine/Hydrogen combines with oxygen to form water.
   氢与氧化合成水。
2. Water is composed of the elements hydrogen and oxygen.
   水是由氢元素和氧元素组成的。
3. 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。
4. Two atoms of hydrogen combine with one atom of oxygen to form a molecule of water.
   两个氢原子和一个氧原子结合而成一个水分子。
5. Hydrogen and oxygen are gases.
   氢和氧是气体。
6. Hydrogen is highly explosive.
   氢极易爆炸。
7. Water is composed of hydrogen and oxygen.
   水由氢和氧组成。
8. Water contains hydrogen and oxygen.
   水含有氢和氧。