aphthenxia

例句：

1. 1.She was suffering from aphthous ulcers, which made her life miserable.
   她患有口腔疱疹，这让她的生活非常痛苦。
2. 2. The patient had to endure the pain of an aphthous ulcer for weeks.
   病人不得不忍受口腔疱疹几周的疼痛。
3. 3. Doctors are trying to find a cure for aphthous ulcers.
   医生们正在尝试找到治疗口腔疱疹的方法。