ulcer单词什么意思_ulcer单词解释 ulcer的反义词ulcer的例句

名词医溃疡; 腐烂物; 道德败坏

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

1. 七彩网.英语单词

noun

1. a circumscribed inflammatory and often suppurating lesion on the skin or an internal mucous surface resulting in necrosis of tissue

Synonym: ulceration

6. ulcer什么意思