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  1. discoloration

    • IPA[ˌdɪskʌləˈreɪʃn]

    英式

    • n.
      the process of becoming discoloured, or the state of being discoloured
    • noun: discoloration, plural noun: discolorations

    • 釋義

    名詞

    • 1. the process of becoming discoloured, or the state of being discoloured teeth with amalgam fillings may run the risk of discoloration a bluish discoloration of the skin
    • 更多解釋
    • IPA[disˌkələˈrāSH(ə)n]

    美式

    • n.
      the process of becoming discolored, or the state of being discolored: teeth with amalgam fillings may run the risk of discoloration a bluish discoloration of the skin

    Oxford American Dictionary

  2. 知識+