difluorodithiophosphateWiktionary 原文英美构词拆解didi-前缀fluorofluoro-前缀didi-前缀thiothio-前缀phosphatephosphate词干di-Two. · Double, twice the quantity.fluoro-(organic chemistry) containing fluorine · fluorescentdi-Two. · Double, twice the quantity.thio-(chemistry) containing sulfur, especially a compound in which 词源说明di- + fluoro- + di- + thio- + phosphate释义名词noun1(inorganic chemistry) The compound or anion derived from phosphate with all four oxygen atoms substituted by two fluorine atoms and two sulfur atoms: PS2F2−