名词
中文翻译：灰尘含量
同义词：
['dustiness', 'dustiness content']
例句：
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1.The room was filled with a thick layer of dust.
房间里充满了厚厚的灰尘。
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2. The new vacuum cleaner has a low dust content.
这款新的吸尘器的灰尘含量很低。
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3. The construction site had high dust content due to the heavy machinery.
由于重型机械的使用，施工现场的灰尘含量很高。