名词短语
中文翻译：警报和远足
同义词：
['alertness', 'alertness', 'alarm', 'alertness', 'alarming', 'alertness']
例句：
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1. The alarm clock woke us up at the crack of dawn.
闹钟在黎明时分叫醒了我们。
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2. The hike was so exciting that I felt like an explorer.
徒步旅行如此令人兴奋，我感觉自己像个探险家。
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3. The alarm system was designed to protect our home from intruders.
这个警报系统旨在保护我们的家免受入侵者的威胁。