membrana tympani

常见例句

双语例句

• The membrana tympani is about 6mm in diameter and forms the dorso- medial wall of the medial end of the external acoustic meatus.
  鼓膜北京鸭的鼓膜直径约6毫米，构成外耳道内端的背侧壁。
• The sound-conducting apparatus in the middle-ear of domestic fowls includes the membrana tympani, columella, musculus tensor tympani and several ligaments.
  鸭的中耳传声器官主要包括：鼓膜、听骨、张肌及韧带四部分。
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