名词
中文翻译：烟雾传播区
同义词：
['smoke zone', 'smoke plume', 'smoke front']
例句：
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1.The smoke propagation zone is a critical area where air pollution can be particularly harmful to human health.
烟雾传播区是空气污染可能对人类健康特别有害的关键区域。
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2.During the fire, the smoke propagation zone was expanding rapidly.
火灾期间，烟雾传播区正在迅速扩大。
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3.The government has set up several smoke propagation zones to reduce air pollution.
政府已经设立了几个烟雾传播区，以减少空气污染。