buzzer
US /ˈbʌz.ɚ/
UK /ˈbʌz.ər/
名词
蜂鸣器, 电铃
an electrical device that makes a buzzing sound and is used for signaling
示例:
•
The doorbell buzzer rang loudly.
门铃蜂鸣器响得很响。
•
Press the buzzer to enter the building.
按蜂鸣器进入大楼。