em·phy·se·ma /ˌɛm(p)fəˈzimə, ˈsi-/
  肺氣腫
  em·phy·se·ma /ˌɛm(p)fəˈzɪmə, ˈsɪ-/ 名詞
  氣腫,肺氣腫
  Em·phy·se·ma n.  Med. A swelling produced by gas or air diffused in the cellular tissue.
  Emphysema of the lungs, Pulmonary emphysema Med., a common disease of the lungs in which the air cells are distended and their partition walls ruptured by an abnormal pressure of the air contained in them.
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  emphysema
       n : an abnormal condition of the lungs marked by decreased
           respiratory function; associated with smoking or chronic
           bronchitis or old age [syn: pulmonary emphysema]