buzzer
/ˈbʌzə//ˈbʌzɚ/
- n.
- 嗡嗡作声的东西，蜂音器
中文释义来自 ECDICT
构词拆解
- -er
- (added to verbs) A person or thing that does an action indicated by the root verb; used to form an agent noun. · (added to verbs, informal) A person or thing to which the root verb is done or can be done satisfactorily.