如图是人耳的结构示意图请据图回答下列问题.1耳的结构包括外耳中耳和内耳三部分.2外界声波经过�外耳道传到�鼓膜引起振动 Template




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tomski如图是人耳的结构示意图请据图回答下列问题.1耳的结构包括外耳中耳和内耳三部分.2外界声波经过�外耳道传到�鼓膜引起振动 coloring