哔哔声嘟嘟响
beep
n : a short high tone produced as a signal or warning [syn: {bleep}]
v 1: make a loud noise; "The horns of the taxis blared" [syn: {honk},
{blare}, {claxon}, {toot}]
2: call, summon, or alert with a beeper
beep
{bell}