umaumauhauha
alarm clock
alarm clock是可数名词
An alarm clock is a clock that you can set to make a noise so that it wakes you up at a particular time. 闹钟
例：I set my alarm clock for 4:30.
我把闹钟定在4:30。
专业释义：
1.电子、通信与自动控制技术、闹钟
2.计算机科学技术、警报时钟
3.机械工程
相关短语：
闹钟 alarm clock;clock;Daily alarms
闹钟管家 AlarmManager;Alarmmaster
完美闹钟 NiceAlarm;Alarm Clock Plus Dock;VerySoft Nice Alarm
