postmortem diagnsis

例句：

1. 1.The postmortem examination revealed thatthe cause of death was a heart attack.
   尸检结果显示，死因是心脏病发作。
2. 2. The autopsy revealed that thevictim had been poisoned.
   尸检发现，受害者是被毒死的。
3. 3. Thenecropsy confirmed thatthe cause of death was asphyxiation due to suffocation.
   尸检确认，死因是由于窒息导致的。