ear canal
noun [ C ] uk/ˈɪə kəˌnæl/ us/ˈɪr kəˌnæl/
耳道,听道
the tube in the body that connects the outer ear and the middle ear
When a sound wave travels through the ear canal, it vibrates the eardrum. 当声波通过耳道时,会震动耳膜。
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