n. 1.营营发声的虫；(工厂的)汽笛；【无线电】蜂音器。 2.〔军俚〕信号兵，〔pl.〕信号部队。
a signaling device that makes a buzzing sound
a push button at an outer door that gives a ringing or buzzing signal when pushed 同义词：doorbell, bell,
A buzzer or beeper is an audio signalling device, which may be mechanical, electromechanical, or piezoelectric. Typical uses of buzzers and beepers include alarm devices, timers and confirmation of user input such as a mouse click or keystroke.
例句与用法
1.
Generic specification for piezoelectric ceramic buzzer chips 压电陶瓷蜂鸣片总规范
2.
The circuit design of digital multi - meter buzzer 数字多用表蜂鸣器电路的设计
3.
You pressed the buzzer before the clue was fully given 你在问题没有说完之前按了按钮
4.
Automatic ng indicator of alarm lamp and buzzer 具不良自动显示灯泡和蜂鸣器
5.
The buzzer rang when the meal was ready 饭做好时蜂呜器发出兹兹的响声
6.
General specification for sounders and buzzers 声向器和蜂鸣器通用技术条件
7.
( voice ) first , ring the bell but not the buzzer 把铃弄响，不能弄响蜂鸣器
8.
Voice ) first , ring the bell but not the buzzer 把铃弄响，不能弄响蜂鸣器
9.
Voice first , ring the bell but not the buzzer 把铃弄响，不能弄响蜂鸣器
10.
I said , found a buzzer on the phone , and pressed it ，我在电话上找到了转换键，按下它。
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