名词
中文翻译：Unknown
同义词：
['auricle', 'external auditory canal']
例句：
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1.The doctor advised him to have a periotic examination.
医生建议他做一次外耳检查。
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2.She had an external auditory canal infection.
她有外耳道感染。
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3. He was diagnosed with an external auditory canal tumor.
他被诊断出有外耳道肿瘤。