常見例句雙語(yǔ)例句Otitis externa is dermatitis usually bacterial of the auditory canal and sometimes the external ear.外耳炎是外耳道（有時(shí)亦包括外耳）的皮膚炎通常是細(xì)菌感染。To study the operation method of external auditory canal cholesteatoma with destroyed ossis external auditory canal and mastoid.結(jié)論：外耳道膽脂瘤應(yīng)根據(jù)不同病變範(fàn)圍而採(cǎi)用保守或不同的手術(shù)方法治療。The outer ear includes the ear lobe and external auditory canal, which funnels sound waves toward the eardrum (or tympanic membrane) allowing it to vibrate.外耳包括耳垂和外耳道——用於把聲波引入鼓膜，使之振動(dòng)鼓膜。 返回 auditory canal