名词
中文翻译：Unknown
同义词：
['heavy dust', 'dense dust例句：1. The factory is heavily polluted with high concentrate dust.（这个工厂被高浓度的粉尘严重污染。）']
例句：
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1. The factory is heavily polluted with high concentrate dust.
这个工厂被高浓度的粉尘严重污染。
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2.The construction site was filled with dense dust from the construction work.
建筑工地上充满了来自施工工作的浓密灰尘。
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3. The heavy dust from the construction site has made it difficult to breathe.
来自建筑工地的重尘使得呼吸变得困难。