| 释义 |
ˌsulphur diˈoxide(us 美 ˌsulfur diˈoxide) noun [u] (symbol so₂) a poisonous gas with a strong smell, that is used in industry and causes air pollution 二氧化硫 sulphuric acidsulphuric acid/sʌlˌfjʊərɪk ˈæsɪd ||; sʌlˈfjυrɪk ˈæsɪd/(us 美 sulfuric acid) noun [u] (symbol h₂so₄) a strong colourless acid 硫酸 |