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- Water contains hydrogen and oxygen. 水含有氢和氧。
- oxygen hydrogen detonation driven shock tunnel 氢氧爆轰驱动激波风洞
- Water is composed of hydrogen and oxygen. 水由氢和氧组成。
- Water is composed of the elements hydrogen and oxygen. 水是由氢元素和氧元素组成的。
- apparatus for determination of oxygen hydrogen and nitrogen 氢氧氮测定装置
- Water may be resolved into hydrogen and oxygen. 水可以分解为氢和氧。
- Hydrogen and oxygen combine/Hydrogen combines with oxygen to form water. 氢与氧化合成水。
- 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。
- Water can be dissolved into hydrogen and oxygen. 水能分解成氢和氧。
- Both hydrogen and oxygen are elements. 氢和氧都是化学元素。
- Water is a compound of hydrogen and oxygen. 水是氢和氧的化合物。
- Water can be broken down into hydrogen and oxygen. 水可以分解为氢和氧。
- Oxygen enters into many compound bodies. 氧是许多化合物的组成部分。
- The ratio of students to teachers is 35:1. 学生和老师的比率是三十五比一。
- Water is made up of oxygen and hydrogen. 水是由氢和氧构成的。
- The ratio of schoolboys to schoolgirls is 2 to 1. 男学生和女学生的比例是2比1。
- Water is said to consist of oxygen and hydrogen. 据说水由氢气和氧合成。
- Men outnumber women here in the ratio of three to one. 此地男子数量以三比一超过女子。
- Letter "O" stands for oxygen and "H" for hydrogen. 字母“O”代表氧，“H”代表氢。
- The first or last term of a ratio or a series. 首项，末项比率或数列中第一个或最后一个项
