extrapericardial

例句：

1. 1. The heart's extrapericardial sac is where the heart pumps blood into the body.
   心脏的外心包囊是心脏将血液泵入体内的部位。
2. 2.The extrapericardial effusion can be treated with medication to reduce swelling.
   外心包积液可以通过药物治疗来减少肿胀。
3. 3.During surgery, the surgeon carefully removes the extrapericardial tissue to avoid damaging the heart.
   手术中，外科医生小心地移除外心包组织，以避免损伤心脏。