| 词汇 | buzzer |
| 释义 | buzzer noun [ C ] uk/ˈbʌz.ər/ us/ˈbʌz.ɚ/ 蜂鸣器 an electronic device that makes a buzzing sound I pressed the buzzer and after a while someone came to the door. 我按了蜂鸣器，一会儿就有人来开了门。 |
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