pleura
noun [ C ] anatomy specialized uk/ˈplʊə.rə/ us/ˈplʊr.ə/ pleurae
胸膜
a thin membrane covering each lung that folds back to make a lining for the chest cavity
The pleura protects your lungs and helps them slide back and forth as they expand and contract during breathing. 胸膜保护你的肺，并让其可以在呼吸时因膨胀收缩而前后移动。