1.(使)生溃疡;(使)溃烂;(使)(道德)败坏
1.to cause the formation of an ulcer or ulcers, or undergo the formation of an ulcer or ulcers
1.Single small firm red painless papule quickly ulcerates (chancre)
单件小批坚强无痛性红色丘疹很快消化性溃疡(硬下疳)。