词汇 | emphysema |
释义 | emphysema noun [ U ] uk/ˌem.fəˈsiː.mə/ us/ˌem.fəˈsiː.mə/ 肺气肿 a condition in which the small sacs (= spaces) in the lungs become filled with too much air, causing breathing difficulties and heart problems Heavy cigarette smoking often causes emphysema. 抽烟过多常常导致肺气肿。 |
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