| 单词 | emphysema |
| 释义 | emphysema [ˌemp.fə'si:.mə] noun uncountable ■a condition in which the small bags in the lungs become filled with too much air, causing breathing difficulties and heart problems 肺气肿 •Heavy cigarette smoking often causes emphysema.抽烟过多常常导致肺气肿。 |
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