diphosphateWiktionary 原文英美构词拆解didi-前缀phosphatephosphate词干di-Two. · Double, twice the quantity.词源说明From di- + phosphate.释义名词noun1(chemistry) any salt or ester containing two phosphate groups2(chemistry) any salt or ester of diphosphoric acid; pyrophosphate同族词派生词 7