emphysema
noun /ˌemfɪˈsiːmə/
/ˌemfɪˈsiːmə/
[uncountable] (medical- a condition that affects the lungs, making it difficult to breathe
肺气肿 词源mid 17th cent. (originally referring to a condition where air is abnormally present in the body tissues): via late Latin from Greek emphusēma, from emphusan ‘puff up’.