ulcer [ˈʌlsə(r)]以下由轻松背单词网站提供
单词级别第9级基本释义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。 推荐阅读 |