hemopericardium

例句：

1. 1. Theheart is enclosed in a saccalled the pericardium.
   心脏被一个叫做心包膜的囊所包围。
2. 2.He was diagnosed with a condition that requiressurgery to repair the pericardium.
   他被诊断出需要手术来修复心包膜的状况。
3. 3. The doctor advised him to avoidactivities that could rupture the pericardium.
   医生建议他避免可能导致心包破裂的活动。