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  1. Oxford Dictionary

    ulcer

    • IPA[ˈʌlsə]

    英式

    • n.
      an open sore on an external or internal surface of the body, caused by a break in the skin or mucous membrane which fails to heal. Ulcers range from small, painful sores in the mouth to bedsores and serious lesions of the stomach or intestine.；a moral blemish or corrupting influence

    • noun: ulcer, plural noun: ulcers

    • 釋義

    名詞

    • 1. an open sore on an external or internal surface of the body, caused by a break in the skin or mucous membrane which fails to heal. Ulcers range from small, painful sores in the mouth to bedsores and serious lesions of the stomach or intestine.
    • ▪ a moral blemish or corrupting influence he's a conman with an incurable ulcer called gambling