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 ①鼓膜Tympanicmembrane②外耳道Externalauditorymeatus③莖突Styloidprocess④外耳道后上棘Posteriorsuprameatusspine(Henlesspine)⑤外耳道后上三角Posteriorsuprameatustriangle(MacEwenstriangle) (共 163 字) [閱讀本文] >>