buzzer
🇺🇸
/ˈbʌzər/
🇬🇧
/ˈbʌzə(r)/
noun
R
a device that makes a buzzing sound to alert or signal people
When the time was up, the buzzer made a loud noise.
時間到了，蜂鳴器發出了響亮的聲音。
translation
蜂鳴器
詞形變化
Plural
buzzers