dithiophosphateWiktionary 原文英美构词拆解didi-前缀thiothio-前缀phosphatephosphate词干di-Two. · Double, twice the quantity.thio-(chemistry) containing sulfur, especially a compound in which oxygen has been replaced by this element词源说明From di- + thio- + phosphate.释义名词noun1(inorganic chemistry) Any thiophosphate in which two oxygen atoms have been replaced by sulfur