copd

例句:

• Conclusion Saber sheath trachea is a sign of rather severe COPD.
  结论剑鞘气管是较重的copd的标志.
  
• People with COPD often have swelling that causes the airways to narrow.
  COPD患者通常伴有气道肿胀,这导致气道狭窄.
  
• Frequent exacerbations in COPD patients cause rapid disease progression and poor prognosis.
  COPD患者若经常恶化,疾病会快速进展,预后也不好.
  
• Breathlessness is frightening but COPD is like training for a marathon.
  来自BBC
• People with COPD may reduce their activities to avoid becoming breathless.
  来自BBC
• COPD results in permanent lung damage in a significant number of smokers.
  来自BBC