This determination is based entirely on response to initial treatment, especially how much the external ear canals have opened.
这个决定完全基于对首次治疗的反应，尤其是外耳道开放了多少。Mainly composed of skin and cartilage, it has lots of dips, each with its own name, such as the scaphoid fossa, triangular fossa and concha.
耳廓主要由皮肤和软骨构成，其上有许多凹陷倾斜的部分，每一个部分都有自己专属的名称，例如耳舟、三角凹、外耳等等。You should never put a cotton swab or other object into the ear canal. But you can use a swab or cloth to clean the outer part of the ear.
绝不可以把棉拭子或者其他东西放进耳道里，但是你可以用拭子或者布料清洁外耳部分。Congenital acoustic atresia is not a rare disease. It is also one of the main reasons which result in conductive deaf.
先天性外耳道闭锁是耳鼻咽喉科常见的先天性疾病，也是引起传导性耳聋的主要原因之一。He knew a waterproof earplug would also help prevent the painful outer ear infections known as "swimmer's ear" .
他还知道一款防水的耳塞还能预防外耳疼痛而感染中耳炎。Suspect the diagnosis of SCC in a patient with history of radiation therapy and a mass in the external auditory canal.
当病人有放疗病史，外耳道内出现肿块时，需要考虑到鳞癌的诊断。middle ear, with an eardrum and a few little bones.
我们知道，在外耳中孔的底部有东西称为中耳，它由一个耳鼓和一些小骨骼构成。I believe I could graft on a pair of outer ears, if they could be gotten.
办法是有的。如果能找到一双合适的外耳，我可以帮他植入。Patients in control group were treated with a small amount of Pevisone cream uniformly smearing in the external auditory canal, twice a day.
对照组将少量派瑞松软膏均匀涂于外耳道进行治疗，每天2次；