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fire alarm

US 
UK 
  • n.火警钟;火警报警器
  • Web火警警报;火警警报器;火情警报设施
Plural Form:fire alarms  
fire alarm
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n.
1.
火警钟;火警报警器a bell or other device that gives people warning of a fire in a building
Who set off the fire alarm?
谁拉响了火警报警器?

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Definition:
Category:AllAll,OralOral,WrittenWritten,TitleTitle,TechnicalTechnical
Source:AllAll,DictionaryDictionary,WebWeb
Difficulty:AllAll,EasyEasy,MiddleMiddle,HardHard
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