Once a sound is caught, it's funneled down into the external acoustic meatus, or auditory canal, and toward your middle and inner ear.
一旦声音被捕捉到，它就会进入外耳道或听道，朝向你的中耳和内耳前进。
External acoustic meatus
原声例句
Crash Course 解剖生理学篇
英语百科
Ear canal
（重定向自External acoustic meatus）
The ear canal (external acoustic meatus, external auditory meatus, EAM) (Latin:meatus acusticus externus), is a tube running from the outer ear to the middle ear. The adult human ear canal extends from the pinna to the eardrum and is about 2.5 centimetres (1 in) in length and 0.7 centimetres (0.3 in) in diameter.
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