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  1. lightfast

    • IPA[ˈlītˌfast]

    美式

    • adj.
      (of a dye or pigment) not prone to discolor when exposed to light
    • 釋義

    形容詞

    • 1. (of a dye or pigment) not prone to discolor when exposed to light color it with a lightfast paint
    • 更多解釋
    • IPA[ˈlʌɪtfɑːst]

    英式

    • adj.
      (of a dye or pigment) not prone to discolour when exposed to light: colour it with a lightfast paint

    Oxford Dictionary

  2. 知識+