外耳道 [ㄨㄞˋ ㄦˇ ㄉㄠˋ; wai4 er3 dao4] external auditory meatus auditory canal, between the outer ear 外耳 and tympanum 鼓膜 ◄ ►
外耳道 がいじどう noun (common) (futsuumeishi) external auditory canal (meatus) ◄ ►