名词
中文翻译：烟雾
同义词：
['smoke', 'haze', 'pollution']
例句：
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1. The city is under a thick layer of smog from the industrial area.
这个城市因为工业区而笼罩在厚厚的烟雾中。
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2. The air quality in this region has significantly worsened due to the ongoing smog.
由于持续的雾霾，该地区的空气质量已经严重恶化。
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3. The government has announced plans to reduce smog levels in the city.
政府宣布了减少城市雾霾水平的计划。