第三人稱(chēng)復數：ulcers
ulcer基本解釋
名詞潰瘍; 腐爛物; 道德敗壞
ulcer
ulcer詞典解釋
1. 潰瘍
An ulcer is a sore area on the outside or inside of your body which is very painful and may bleed or produce an unpleasant poisonous substance.
e.g. ...stomach ulcers.
胃潰瘍
ulcer英英釋義
noun
1. a circumscribed inflammatory and often suppurating lesion on the skin or an internal mucous surface resulting in necrosis of tissue
Synonym: ulceration