Dictionary entry
safety device
noun
安全装置
a device used to prevent accidents or harm
安全防护装置
In use
Every new car now comes with at least one safety device, such as an airbag.
Please check the safety device before you start the machine.
The smoke detector in the hallway is a simple safety device that alerts us to smoke.
install [det] safety device in/on [noun]
They installed a safety device in the elevator.
他们在电梯里安装了一个安全防护装置。
[verb] a safety device to prevent [noun]
We use a safety device to prevent accidents.
我们使用安全防护装置来防止事故。
safety device that [verb]
This is a safety device that shuts off the power automatically.
这是一个自动切断电源的安全防护装置。
Common mistakes
This machine has a safe device.This machine has a safety device.
中式英语中容易将形容词'safe'（安全的）误用作定语，而正确形式应使用名词'safety'作定语，构成'safety device'（安全装置）。
Please install safety device before operation.Please install a safety device before operation.
英语中可数名词单数前需要加冠词，中文无此语法，学习者常遗漏冠词'a'或'the'。
Connections
Confusing words
- safety equipment
- 安全设备 · safety device 指具体的安全装置或构件，而 safety equipment 指成套的安全设备或装备，范围更广。
- safety measure
- 安全措施 · safety device 指物理装置，safety measure 指步骤或措施，非具体物品。
Dictionary facts from ECDICT.