precoagulation

例句：

1. 1. Blood coagulation tests are used to diagnose blood clots.
   血液凝固测试用于诊断血块。
2. 2.The doctor prescribed a medication to help the patient's coagulation process.
   医生开了一种药来帮助患者的凝血过程。
3. 3.Precoagulation is a condition where the blood does not clot properly.
   凝血不全是一种血液不能适当凝固的状态。