名词
中文翻译：Unknown
同义词：
['alert', 'warning', 'caution', 'alertness']
例句：
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3.
车辆等
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1. The fire alarm went off, and everyone rushed to the exit.
火警铃响了，大家都往出口跑去。
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2. He was always careful when driving, as he had a bad habit of being distracted by his cell phone.
他开车总是很小心，因为他有一个习惯，就是分心玩手机。
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3. She was so excited that she couldn't wait to tell her friends about the exciting news.
她太激动了，迫不及待地想告诉她的朋友们这个令人兴奋的消息。