Ulcer

n. <医>溃疡 She had an ulcer in her mouth. 她口腔出现溃疡。 My father suffered from stomach ulcer for a long time. 我父亲患胃溃疡已经很长时间。 腐烂物 道德败坏;腐败;弊病 the ulcer of envy 嫉妒的弊害 vt. & vi. (使某物)形成溃疡 Aspirin can ulcer the stomach lining. 阿司匹林能造成胃壁溃。 (使)腐败