external wall of cochlear duct

例句：

1. 1. The cochlear duct is the pathway through which sound waves travel from the outer ear to the inner ear.
   耳蜗导管是声波从外耳到内耳传输的路径。
2. 2.The external wall of the cochlear duct is where the hair cells are located, and it plays a crucial role in hearing.
   耳蜗的外部壁是毛细胞所在的位置，它在听力中起着至关重要的作用。
3. 3. In some cases, damage to the external wall of the cochlear duct can lead to deafness.
   在某些情况下，耳蜗外壁的损伤可能导致失聪。