名词
中文翻译：雾信号
同义词：
['fog warning', 'fog alert', 'fog signal']
例句：
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1.The fog signal was red, indicating a high risk of accidents.
雾信号是红色，表示发生事故的风险很高。
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2.The weather forecast warned of possible fog signals in the area.
天气预报警告该地区可能出现雾信号。
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3.The pilot received a fog signal and decided to divert to an alternative airport.
飞行员收到了一个雾信号，决定改道飞往另一个机场。