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- Water contains hydrogen and oxygen. 水含有氢和氧。
- Sulphur can be used to make gunpowder. 硫磺可以用来制造火药。
- Sulphur was not identified as an element until1810. 1810年以前还没有认出硫是一种元素。
- Water is composed of hydrogen and oxygen. 水由氢和氧组成。
- sulphur hydrogen 硫化氢
- Water is composed of the elements hydrogen and oxygen. 水是由氢元素和氧元素组成的。
- This medicine smacks of sulphur. 这种药带有一点硫磺气味。
- Sulphur is a constituent of gunpowder. 硫是火药的组分。
- Water may be resolved into hydrogen and oxygen. 水可以分解为氢和氧。
- Sulphur gases were emitted by the volcano. 硫磺气体由火山喷发出来。
- The hydrogen is the known the lightest element. 氢是已知的最轻的元素。
- Sand, but blue as the flame of burning sulphur. 但是蓝得象是硫磺燃烧产生的火焰。
- Hydrogen and oxygen combine/Hydrogen combines with oxygen to form water. 氢与氧化合成水。
- Sulphur status, in general, is satisfactory. 硫的状况一般较好。
- 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。
- Examples: Lithia, saline, and sulphur waters. 例如:含有氧化锂、盐、磺等物质的矿泉水。
- The calcium reacts with sulphur in the atmosphere. 钙与硫磺在空气中会发生反应。
- Both hydrogen and oxygen are elements. 氢和氧都是化学元素。
- Sulphur glycerine can is purify tooth calculous? 磺甘油能去除牙结石吗?