| 单词 | mouth ulcer |
| 释义 | mouth ulcerˈmouth ˌulcer British EnglishBrE, canker sore American English noun [countableC] a sore area in the mouth of people or animals, caused by illness or a disease 口腔溃疡 Examples from the Corpus mouth 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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