laryngoptosis

例句：

1. 1. The patient had a history of chronic laryngoptosis, which required surgery to correct.
   患者有慢性喉软骨症的病史，需要进行手术矫正。
2. 2. The child's laryngoptosis was treated with a tracheostomy.
   孩子的喉软骨症通过气管切开术进行治疗。
3. 3. The diagnosis of laryngoptosis in the elderly is often missed due to lack of awareness.
   老年人的喉软骨症诊断往往因为缺乏意识而被忽视。