prenatal and postnatal

• 性命

prenatal and postnatal的用法和样例：

例句

1. He shot up the tiger, and his guide killed it.
   他开枪打伤了那只老虎，他的向导接着结果了它的性命。
2. Others saved their own skins and left the worst-hit areas.
   其他人保住了性命，离开受灾最严重的区域。