原级：beep
第三人称单数：beeps
第三人称复数：beeps
过去分词：beeped
过去式：beeped
1. This short taster session ends abruptly, with the beeping of a mobile phone alarm.
2. Some residents responded by raking the sky with gunfire and beeping their horns.
3. There are not horns beeping or drills drilling at three in the morning.