The NHS has to find a way of balancing everyday expenses against lifesaving drugs and other medical expenses.国民医疗服务必须找到一种方法来权衡日常开支与救生药物及其他医疗开支。She teaches swimming, lifesaving and water aerobics.她教授游泳、救生术和水中有氧运动。All of the staff have been trained in lifesaving.所有员工都受过水中救生培训。The lifesaving operation will cause some disfigurement.这一挽救生命的手术会对容貌有些损毁。All lifeguards are trained in lifesaving.所有救生员都接受过救生训练。