diboraneWiktionary 原文英美构词拆解didi-前缀boraneborane词干di-Two. · Double, twice the quantity.词源说明From di- + borane.释义名词noun1(inorganic chemistry) boron hydride, B2H6, a colourless explosive gas with a nasty smell; it has an unusual structure in which two of the hydrogen atoms form a bridge