lifesaving

例句：

1. 1.The doctors performed a lifesaving surgery on the injured person.
   医生为受伤的人进行了一次挽救生命的手术。
2. 2. The firefighters rushed to the scene and saved many people from the burning building.
   消防员冲向现场，从燃烧的大楼中救出了许多人。
3. 3. The scientist's research could potentially save countless lives if it were successful.
   如果科学家的研究成功，它可能会挽救无数生命。