Rigor mortis

例句：

1. 1. The victim was found in a state of Rigor mortis.
   受害者被发现处于僵硬状态。
2. 2. The doctor had to perform emergency surgery on the patient due to his Rigor mortis.
   由于患者的僵硬状态，医生不得不对他进行紧急手术。
3. 3. The medical examiner determined that the cause of death was due to natural causes and not from any external force.
   法医确定死因是自然原因，并非外力所致。