柯林斯詞典buzzer /?b?z?/ (buzzers) 1. N-COUNT A buzzer is an electrical device that is used to make a buzzing sound, for example, to attract someone's attention. 電子蜂鳴器 She rang a buzzer at the information desk. 她按響了信息臺(tái)上的一只蜂鳴器。 返回 buzzer劍橋詞典an electronic device that makes a buzzing sound 蜂鳴器 I pressed the buzzer and after a while someone came to the door . 我按了蜂鳴器，一會(huì)兒就有人來(lái)開(kāi)了門(mén)。 返回 buzzer