pericardial fluid

例句：

1. 1.He was diagnosed with pericardial fluid, which could cause serious health problems.
   他被诊断出患有心包积液，这可能导致严重的健康问题。
2. 2. The doctor ordered him to stay in bed and drain the pericardial fluid.
   医生让他躺在床上，排出心包积液。
3. 3. After the surgery, he received a transfusion of pericardial fluid to replace hislost blood.
   手术之后，他接受了一次输血，以补充失去的血液。