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  1. cobalt blue

    • n.
      a deep blue pigment containing cobalt and aluminium oxides.;a deep blue colour
    • noun: cobalt blue

    • 釋義

    名詞

    • 1. a deep blue pigment containing cobalt and aluminium oxides.
    • a deep blue colour plates rimmed with cobalt blue the distant cobalt-blue mountains
  2. 知識+