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单词 air quality
释义

air quality

noun
/ˈeə kwɒləti/
/ˈer kwɑːləti/
[uncountable]
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  1. the degree to which the air is clean and free from pollution
    • Planting more trees will improve air quality.
    Topics The environmenta2
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更新时间:2024/11/15 10:48:24