砷凡纳明 shēnfánnàmíng arsphenamine Definitions Defs Origin Strokes Stroke Words Sentences Sents 砷凡纳明 砷凡納明 shēnfánnàmíng arsphenamine arsphenamine; a chemical compound historically used as an antibiotic treatment for syphilis
砷凡纳明 砷凡納明 shēnfánnàmíng arsphenamine arsphenamine; a chemical compound historically used as an antibiotic treatment for syphilis