| 单词 | mouth ulcer |
| 释义 | mouth ulcer From Longman Dictionary of Contemporary Englishmouth ulcerˈmouth ˌulcer British English, canker sore American English noun [countable]a sore area in the mouth of people or animals, caused by illness or a diseaseExamples from the Corpusmouth ulcer• Sharp teeth can cause terrible ulcers and anyone who has had a mouth ulcer himself will know what agony they can be. |
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