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ulcer

noun
🔊/ˈʌlsə(r)/
🔊/ˈʌlsər/
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  1. a painful area on the outside of the body or on the surface of an organ inside the body that may bleed or produce a poisonous substance溃疡
    • a stomach ulcer胃溃疡
    • There is a family history of gastric ulcer disease.有胃溃疡病家族史。
    see also mouth ulcer, peptic ulcerTopics Illnessc2
    Oxford Collocations DictionaryUlcer is used before these nouns:
    • recurrence
    Ulcer is used after these nouns:
    • leg
    • mouth
    • stomach
    • …
    See full entry
    Word Originlate Middle English: from Latin ulcus, ulcer-.