If the robot is unsure whether an animal is suitable for the microwave, it has the opportunity to stop, send out beeps ( ' , 嘟嘟声 ), and ask for directions from a human.
出自-2016年6月阅读原文
柯林斯高阶英汉双解学习词典释义
N-COUNT; SOUND
（汽车喇叭、电话答录机等发出的）嘟嘟声，哔哔声
A beep is a short, loud sound like that made by a car horn or a telephone answering machine.
V-ERG
（使）发出嘟嘟声；（使）发出哔哔声
If something such as a horn beeps, or you beep it, it makes a short, harsh sound.