mercaptopropionicWiktionary 原文英美构词拆解mercaptomercapto-前缀propionicpropionic词干mercapto-an organosulfur compound that contains a carbon-bonded sulfhydryl or sulphydryl词源说明From mercapto- + propionic.释义形容词adjective1Of or pertaining to mercaptopropionic acid or its derivatives