| 释义 |
| | | | NOUN | | | | | /ˈʌlsə/ | | | | | | a sore area on the inside of an organ in your body or on your skin that sometimes bleeds or produces a poisonous substance 溃疡 | a stomach ulcer 胃溃疡 | | | PHRASE | | - | give sb ulcers informal
| | to make someone extremely worried | | 使某人极度焦虑不安 | | | | | | | | DERIVED WORD | | ulcerous adj | | | |