alarm acknowledge switch

例句：

1. 1. The alarm clock woke me up at 6:00.
   闹钟在早上六点把我叫醒了。
2. 2. He was so excited that he forgot to turn off the alarm.
   他太兴奋了，忘了关闹钟。
3. 3. She set off an alarm when she heard the doorbell.
   她听到门铃响后立刻拉响了警报。