primary pulmonary lobule

例句：

1. 1. The primary lung lobes areresponsible for the exchange of gases betweenthe alveoli and the bloodstream.
   初级肺叶负责肺泡与血液之间气体交换。
2. 2. During sleep, the primary lunglobes work to remove carbon dioxide from the blood.
   睡眠时，初级肺叶工作以从血液中移除二氧化碳。
3. 3. Inhaling air through the nose can helpto clear the primary lung lobesof any mucus buildup.
   通过鼻子吸入空气可以帮助清除初级肺叶中的任何黏液积聚。