peritoneal fluid

例句：

1. 1. The patient's condition worsened, and he needed to be taken to the operating room for emergency surgery.
   患者的病情恶化，需要被送往手术室进行紧急手术。
2. 2. The doctor explained that peritoneal fluid analysis is important for diagnosing conditions such as peritonitis.
   医生解释说，腹膜液分析对于诊断如腹膜炎等疾病非常重要。
3. 3. During the operation, the surgeon carefully removed the patient's peritoneal fluid to prevent infection.
   在手术中，外科医生小心地移除了患者的腹膜液，以防止感染。