middle lobe of right lung

例句：

1. 1. The middle lobe of the lung is responsible for filtering air from the trachea.
   肺部的中间部分负责过滤从气管进入的空气。
2. 2. During surgery, the surgeon carefully removes the middle lobe to prevent infection.
   在手术中，外科医生小心地切除中间叶以防止感染。
3. 3. The middle lobe of the lung is often involved in pneumonia.
   肺部的中间部分经常是肺炎的病灶。