| ulcer | |
| 级别 | 第9级 |
| 音标 | [ ˈʌlsə(r) ] |
| 解释 | 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 |
| 发音 |  |
| 例句 |
1. She had an ulcer in her mouth. 她口腔出现溃疡。 2. 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。 |
