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air quality

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  • n.空气质量
  • Web空气品质;空气质素;大气质量
air quality
n.
1.
空气质量the degree to which the air is clean and free from pollution

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Category:AllAll,OralOral,WrittenWritten,TitleTitle,TechnicalTechnical
Source:AllAll,DictionaryDictionary,WebWeb
Difficulty:AllAll,EasyEasy,MiddleMiddle,HardHard
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