tributylphosphineWiktionary 原文英美构词拆解tritri-前缀butylbutyl词干phosphinephosphine词干tri-Three. · (chemistry) Used for the digit three to form systematic element names of elements whose existence has been predicted, and which have not yet been given a trivial name.词源说明From tri- + butyl + phosphine.释义名词noun1(chemistry) A tertiary phosphine, most commonly encountered as a ligand in transition metal complexes, with some industrial applications.