alarm-clock calling闹钟呼叫
solar alarm clock -太阳能闹钟
Alarm Clock - One Touch复古闹钟;指滑闹钟
Alarm Clock-7 Pro桌面时钟
multi-alarm clock多点定闹
myClock Beta - Alarm Clock我的时钟
sleep time - alarm clock生物闹钟;睡眠时间
Net-Enabled Alarm Clock网络启动的闹钟
Water-Powered Alarm Clock水力闹钟
Owl-Talking Alarm Clock by Streamline猫头鹰
N-COUNT（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
I set my alarm clock for 4:30.
我把闹钟定在4:30。