methylmalonic acidWiktionary 原文英美构词拆解methyl词干+malonic acid词干词源说明From methyl + malonic acid.释义名词noun1(organic chemistry) A dicarboxylic acid, a C-methylated derivative of malonic acid, HOOCCH(CH3)COOH , that is involved in the Krebs cycle同族词相关词 3methylmalonate·malonyl