diphosphineWiktionary 原文英美构词拆解didi-前缀phosphinephosphine词干di-Two. · Double, twice the quantity.词源说明From di- + phosphine.释义名词noun1(uncountable, inorganic chemistry) The liquid hydride of phosphorus P2H4 which is spontaneously inflammable in air.2(countable, organic chemistry) Any organic compound that has two phosphine groups.同族词派生词 1aminodiphosphine