名词
中文翻译：口腔溃疡
同义词：
['ulcer', 'oral lesion例句：1. She had a canker sore on her tongue that made it difficult to eat.（她舌头上有一个溃疡，很难吃东西。）2. The doctor prescribed an anti-inflammatory medication for her canker sore.（医生给她开了一种抗炎药来治疗她的溃疡。）3. After several days of rest and treatment', 'the canker sore finally healed.（经过几天的休息和治疗，那个溃疡最终痊愈了。）']
例句：
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1. She had a canker sore on her tongue that made it difficult to eat.
她舌头上有一个溃疡，很难吃东西。
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2. The doctor prescribed an anti-inflammatory medication for her canker sore.
医生给她开了一种抗炎药来治疗她的溃疡。
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3. After several days of rest and treatment, the canker sore finally healed.
经过几天的休息和治疗，那个溃疡最终痊愈了。