tympanic wall of cochlear duct

例句：

1. 1.The tympanic membrane is the thin, flap-like structure that covers the eardrum.
   中耳膜是覆盖鼓膜的薄而带状的结构。
2. 2. In some cases, a tympanic perforation can be created to help with hearing loss.
   在某些情况下，可以创建一个中耳穿孔来帮助听力损失。
3. 3. The tympanic cavity is where the tympanic membrane and the bones of the middle ear are located.
   中耳腔是中耳膜和中耳骨所在的地方。