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单词 nonattainment
释义

nonattainment

English

Etymology

non- + attainment

Noun

nonattainment (uncountable)

  1. Failure to attain a particular standard
    • 1991 November 15, Harold Henderson, “A Dumb Deal”, in Chicago Reader:
      There's the 1993 [federal air pollution] study on ozone nonattainment coming up.
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