pneumonia
/njuːˈməʊnɪə/noun
mass noun
- lung inflammation caused by bacterial or viral infection, in which the air sacs fill with pus and may become solid. Inflammation may affect both lungs (double pneumonia) or only one (single pneumonia)肺炎。
派生词
pneumonic
adjective词源
early 17th cent.: via Latin from Greek, from pneumōn 'lung'.