| 释义 |
ear·drum AHD[îrʹdrŭm'] D.J.[ˈɪəˌdrʌm]K.K.[ˈɪrˌdrʌm]n.Anatomy（名词）【解剖学】- The thin, semitransparent, oval-shaped membrane that separates the middle ear from the external ear. Also called tympanic membrane ,tympanum 耳鼓：一种薄的、椭圆形的半透明膜，将中耳与外耳分隔开来 也作 tympanic membrane,tympanum
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