名词
中文翻译：寒冷的天气
同义词：
['cold front', 'cold air mass', 'cold frontal system']
例句：
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1.The weather forecast predicts a cold front moving in tonight.
天气预报预测今晚有一股冷空气来袭。
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2. The cold front has brought with it heavy snowfall.
冷空气带来了大雪。
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3. The cold front is expected to continue affecting the area for several days.
预计冷空气将持续影响该地区几天。