buzzer
noun[C]
uk/ˈbʌz.ər/us/ˈbʌz.ɚ/anelectronicdevicethat makes abuzzingsound:
蜂鸣器Ipressedthe buzzer and after a while someone came to thedoor.我按了蜂鸣器,一会儿就有人来开了门。
![picture of buzzer picture of buzzer](https://dictionary.cambridge.org//images/thumb/buzzer_noun_002_05097.jpg?version=5.0.287)
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Communications - general words
- anti-satellite
- app
- autodial
- autodialler
- cable
- cybernetics
- fibre optics
- hack
- multipath
- noise
- non-computer
- non-network
- optical fibre
- patch
- patchsomeonethrough
- pick
- satellite
- silent
- Zoombomber
- Zoombombing