n.救助物，救命物

原形：lifesaver复数：lifesavers

The lifeguard rescued the drowning child, he was a real lifesaver!"
(救生员救了溺水的孩子，他真是个救星！
She carried an automated external defibrillator in her bag, a lifesaver for someone experiencing a cardiac arrest.
她包里带着自动体外除颤器，对于心脏病发作的人来说是救命工具。
Thanks to the quick actions of the paramedics, the patient survived what could have been a fatal heart attack - they were true lifesavers.
多亏了医护人员的迅速行动，病人从可能致命的心脏病发作中幸存下来，他们是真正的救星。
The fire extinguisher on the boat prevented a major disaster, it was a lifesaving device.
船上的灭火器阻止了一场大灾难，它是救人性命的设备。
The first aid kit in my car proved to be a lifesaver when I had a flat tire in the middle of nowhere.
车里的急救箱在我不小心爆胎的时候派上了用场，真是救命的工具。
Her CPR training saved her friend's life during the cardiac event, she was a lifesaving hero.
她的心肺复苏训练在朋友心脏骤停时救了他的命，她是名副其实的救星。
The safety equipment on the construction site prevented multiple accidents and made workers feel like real lifesavers.
建筑工地的安全设备避免了许多事故，让工人们觉得自己像是真正的救星。
The portable oxygen tank was a lifesaver for the hiker with altitude sickness.
便携式氧气罐对高山反应的徒步者来说是个救星。
The defibrillator app on my phone alerted emergency services when my neighbor had a seizure, it was a lifesaving technology.
手机上的除颤器应用在我邻居癫痫发作时通知了急救人员，这是个救命的科技。
The evacuation plan we had in place during the storm was a lifesaving measure for everyone in the community.
暴风雨期间我们制定的疏散计划对社区里的每个人都起到了救生的作用。