emergency stop 紧急停止
smoke detector 烟雾探测器
safety belt 安全带
fire extinguisher 灭火器
alarm system 报警系统
1. The car is equipped with several safety devices to protect passengers.
这辆汽车配备了多种安全装置以保护乘客。
2. Please ensure that the safety device is functioning properly before starting the machine.
在启动机器之前，请确保安全装置运行正常。
3. Modern elevators have advanced safety devices to prevent falls.
现代电梯有先进的安全装置以防止坠落。
A: Did you install the new safety device on the server room door?
A：你在服务器机房门上安装新的安全装置了吗？
B: Yes, it was installed last week and it's working well.
B：是的，上周安装好的，运行得很好。
1) 用于防止人身伤害的设备
2) 工业生产中用于保护机器或操作员的装置
3) 交通工具中的被动或主动安全防护系统
1. 安全装置；安全防护设备
e.g. The factory installed a new safety device to prevent accidents.
工厂安装了新的安全装置以防止事故。
noun
1. A device or piece of equipment designed to protect people from harm or injury, or to prevent damage to property.
Synonym: safety equipment, protective device