mouthrot

例句：

1. 1. She had a mouthrot that required immediate medical attention.
   她得了口疮，需要立即就医。
2. 2. The doctor prescribed antibiotics to treat her oral infection.
   医生给她开了抗生素来治疗口腔感染。
3. 3. He was advised to avoid spicy foods and soft drinks as they can worsen oral ulcers.
   他被建议避免食用辛辣的食物和软饮料，因为它们可能会加重口腔溃疡。