perfluorobutanoateWiktionary 原文英美构词拆解perfluoroperfluoro-前缀butanoatebutanoate词干perfluoro-(chemistry) used to describe any compound or group in which every hydrogen atom has been replaced by fluorine词源说明From perfluoro- + butanoate.释义名词noun1(organic chemistry) Any perfluoro derivative of a butanoate group or anion