Phrase
warning device
警告装置，如警笛或警报器
a device that gives a warning signal, such as a siren or alarm
[化] 预告讯号装置
- 1.
a device that signals the occurrence of some undesirable event
信号某些不良事件发生的装置
信号某些不良事件发生的装置；预告讯号装置
In use
The chemical plant installed a new warning device to alert workers of any gas leaks.
When the warning device detected a temperature rise, it automatically shut down the reactor.
The laboratory's warning device sounded an alarm when the pressure exceeded safe levels.
install a warning device
使用动词 'install' 表示安装警告装置。
The factory installed a warning device near the chemical storage area.
工厂在化学品储存区附近安装了一个警告装置。
the warning device sounds
描述警告装置的动作，通常与 'sounds' 或 'activates' 搭配。
When the temperature rises above the limit, the warning device sounds an alarm.
当温度超过限值时，警告装置发出警报。
act as a warning device
使用 'act as' 表示充当警告装置的功能。
The red light acts as a warning device to indicate danger.
红灯充当警告装置，指示危险。
Common mistakes
This is a warn device.This is a warning device.
错误使用了动词'warn'作为形容词，而'warning'是正确形容词形式，修饰名词'device'。
This is a device for warning.This is a warning device.
虽然'device for warning'语法正确，但英语中常使用复合名词'warning device'表达更自然。
Connections
Dictionary facts from ECDICT.