alveolar clearance

例句：

1. 1. The lungs are responsible for the alveolar clearance of carbon dioxide.
   肺部负责二氧化碳的肺泡清除。
2. 2.During sleep, the alveolar clearance of oxygen is increased to meet the body's needs.
   睡眠时，氧气的肺泡清除增加以满足身体的需求。
3. 3.The patient's respiratory rate was reduced by the alveolar clearance of the medication.
   病人的呼吸速率因药物的肺泡清除而降低。