bleep
/bli:p; blip/ n short high-pitched sound made by an electronic device to attract attention （为引人注意使电子装置发出的）短促高音
The computer gave a regular bleep. 计算机发出有一定节律的哔哔声. bleep, v
1 [I] emit bleeps 发哔哔声.
2 [Tn] call (esp a doctor) with a bleeper 用传呼机找人（尤指找医生）
Please bleep the doctor on duty immediately. 请立刻用传呼机召值班医生.