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  1. downgrade

    • v.
      reduce to a lower grade, rank, or level of importance
    • n.
      an instance of reducing someone or something's rank, status, or level of importance;a downward gradient on a railway or road
    • noun: downgrade, plural noun: downgrades

    • 釋義
    • 片語
    • v.
      動詞
    • 1. reduce to a lower grade, rank, or level of importance:

      some jobs had gradually been downgraded from skilled to semi-skilled

    • n.
      名詞
    • 1. an instance of reducing someone or something's rank, status, or level of importance:

      downgrades by debt-rating agencies outnumber upgrades by five to one

    • 2. a downward gradient on a railway or road:

      a steep downgrade for which he had to put the car in second

  2. 知識+