reduced sulphur species

• 被还原硫化物

reduced sulphur species的用法和样例：

例句

1. While the reduction of the initial oxidized products on pyrite surface such as polysulphide and free sulphur can improve its hydrophilicity.
   同时，黄铁矿表面初始氧化产物如单质硫和多硫化物被还原，亲水性增强。