cefonicidWiktionary 原文构词拆分cef-前缀“cefalosporanic acid derivative”(pharmacology) Used to form names of cefalosporanic acid derivative used as antibiotics.+sulfonic acid词根/词干词源说明From cef- (“cefalosporanic acid derivative”) + (sul)fonic (a)cid.释义（英文）名词 Noun(pharmacology) A cephalosporin antibiotic.