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单词 ulcer
释义 ulcer n open sore containing poisonous matter on the outside of the body or on the surface of an internal organ 溃疡: leg ulcers 腿部溃疡     gastric ulcers 胃溃疡     My mouth has an ulcer. 我的口腔出现了溃疡.
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更新时间:2024/11/9 0:33:17