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ulcer
美音： [??ls?(r)] 英音： [??ls?]

第三人稱復(fù)數(shù)：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