pericardium [ˌperɪ'kɑ:dɪrm]

例句:

• Bleeding may occur in the peritoneum or pericardium.
  可能在腹膜或心包内发生出血.
  
• It's a sign that the tumor has infiltrated the pericardium.
  那是意味着肿瘤已经渗入到包心膜了.
  
• I removed a small clot from the pericardium.
  我从心包膜中取出了一个小血块.
  
• If the disease has affected other areas such as the eye or pericardium, specialist opinion and management may be necessary.
  来自BBC