Sound waves traveling down the auditory canal eventually collide with the tympanic membrane, which you probably know as the eardrum.

沿着听道传播的声波与鼓膜相。

Once a sound is caught, it's funneled down into the external acoustic meatus, or auditory canal, and toward your middle and inner ear.

旦声音被捕捉到，它就进入外耳道或听道，朝向你的中耳和内耳前进。