n.<医>溃疡;腐烂物;道德败坏;
例句:
My father suffered from stomach ulcer for a long time.
我父亲患胃溃疡已经很长时间.
...stomach ulcers.
胃溃疡
The cure of ulcer of gastric'duodenum?
胃 ` 十二指肠溃疡的治疗?