postmortem rigidity

例句：

1. 1.The patient's body was found stiff and cold in the morgue.
   在太平间，病人的尸体被发现僵硬而冰冷。
2. 2.After the surgery, the patient had to stay in bed for several days due to postmortem rigidity.
   手术后，病人不得不在床上躺几天，因为死后僵硬。
3. 3. The investigation revealed that the cause of death was likely due to a combination of factors, including postmortem rigidity.
   调查发现，死因可能是多种因素的综合作用，包括死后僵硬。