metatracheal parenchyma

例句：

1. 1. The metatracheal parenchyma plays a crucial role in therespiratory system.
   次气管间质在呼吸系统中起着至关重要的作用。
2. 2. The study focused on themetatracheal parenchymaand its relationship with lung cancer.
   该研究专注于次气管间质及其与肺癌的关系。
3. 3.The metatracheal parenchyma is responsible for filtering airborneparticles from the lungs.
   次气管间质负责从肺部过滤空气颗粒。