posterior auricular ligament

例句：

1. 1.The posterior auricular ligament is responsible for supporting the eardrum.
   后耳韧带负责支撑鼓膜。
2. 2. Injuries to the posterior auricular ligament can lead to hearing loss.
   后耳韧带受伤可能导致听力丧失。
3. 3. The posterior auricular ligament is an important structure in the middle ear.
   后耳韧带是中耳的一个重要结构。