U
基本词汇
n.溃疡；腐坏物；弊病
n.溃疡；腐坏物；弊病
第三人称复数：ulcers
详情解释
英英释义
词典解释
noun
1. a circumscribed inflammatory and often suppurating lesion on the skin or an internal mucous surface resulting in necrosis of tissue
Synonym: ulceration
1. 溃疡
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.
胃溃疡