名词
中文翻译：警钟
同义词：
['alarm clock', 'wake-up call例句：1. The alarm rocker woke me up at 6:00 AM every morning.（闹钟每天早上6点叫我起床。）']
例句：
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1. The alarm rocker woke me up at 6:00 AM every morning.
闹钟每天早上6点叫我起床。
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2.She set the alarm rocker for 7:30 and went to bed early.
她把闹钟设定在早上7点半，早早就上床睡觉了。
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3. He was so tired that he fell asleep right away after hearing the alarm rocker.
他太累了，一听到闹钟就立刻睡着了。