有肺泡的

例句：

1. 1.The lungs are responsible for the exchange of gases between the body and the environment.
   肺部负责身体与环境之间气体的交换。
2. 2.Alveoli play a crucial role in the process of oxygenation.
   肺泡在氧气化过程中起着至关重要的作用。
3. 3.During sleep, alveoli expand to allow more oxygen to reach the bloodstream.
   睡眠时，肺泡扩张以允许更多的氧气到达血液。