buzzer

'bʌzә

托福 Collins 1

n. a signaling device that makes a buzzing sound

n. 嗡嗡作声的东西, 蜂音器
[化] 蜂鸣器; 磨轮; 砂轮

Collins 星级

22,425

BNC 频率

14,075

使用频率

buzzer由词根buzz（嗡嗡声）和后缀-er（表示做某事的人或物）组成，表示发出嗡嗡声的装置或人。

例句

1. The buzzer rang loudly, signaling the end of the game.

蜂鸣器响亮地响起，标志着比赛结束。

2. She pressed the buzzer to let her friend know she had arrived.

她按了蜂鸣器，让她的朋友知道她到了。

3. The alarm buzzer went off in the middle of the night.

警报蜂鸣器在半夜响起。