beep

1. N-COUNT/SOUND A beep is a short, loud sound like that made by a car horn or a telephone answering machine. 嘟嘟聲

2. V-T/V-I If something such as a horn beeps, or you beep it, it makes a short, harsh sound. 發(fā)出嘟嘟聲

My cell phone beeped. 我的手機嘟嘟響了。

He beeped the horn. 他按響了喇叭。