sulphur dioxide
柯林斯词典
1. N a colourless soluble pungent gas produced by burning sulphur. It is both an oxidizing and a reducing agent and is used in the manufacture of sulphuric acid, the preservation of a wide range of foodstuffs (E220), bleaching, and disinfecting. Formula: SO2 二氧化硫 (Systematic name sulphur(IV) oxide)
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sulphur dioxide
剑桥词典
- a gas that has a strong , unpleasant smell and dissolves in water . It is used in various industrial processes , and can cause air pollution .
二氧化硫 返回 sulphur dioxide