air passages

常见例句

• They can block air passages or sinus channels to cause a variety of grief.
  它們能阻塞氣道或鼻竇的通道，造成各種痛苦。
• It is commonly caused by chronic alveolar hypoventilation or air way mucus plugging.
  究其原因，可能爲肺泡慢性通氣不足或氣道分泌物阻塞。
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