loss of life

例句：

1. 1. The accident resulted in a loss of life.
   这次事故导致人员伤亡。
2. 2.The firefighters risked their lives to save the children.
   消防员冒着生命危险救出了孩子们。
3. 3. The scientist's research has led to a loss of life.
   科学家的研究导致了人员伤亡。