absence of organ of Corti

例句：

1. 1. The patient's absence of hearing is a significant concern for the doctor.
   患者的听力缺失是医生们非常关注的一个问题。
2. 2. The child's absence of speech is concerning to the parents.
   孩子的失语让父母很担心。
3. 3. The absence of the organ of Corti can lead to severe hearing loss.
   耳蜗缺失可能导致严重的听力损失。