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Alarm clock
01
闹钟, 警报钟
a clock that can be set to an exact time to make a sound and wake someone up
Example
I always set multiple alarms on my alarm clock to ensure I wake up.
我总是设置多个闹钟在我的闹钟上，以确保我能起床。
I need to replace the broken alarm clock with a new one.
我需要用新的闹钟替换坏掉的闹钟。
