ulcer [ˈʌlsə(r)]
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基本释义
n.溃疡,腐坏物
英英释义
a break in the skin or on the surface of an organ inside the body , which does not heal naturally
参考例句
She had an ulcer in her mouth. 她口腔出现溃疡。
A bacterium is identified as the cause for his duodenal ulcer. 一种细菌被断定为造成他十二指肠溃疡的根源。
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