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1. Oxford American Dictionary

   preservative

   • IPA[prəˈzərvədiv]

   美式

   • n.
     a substance used to preserve foodstuffs, wood, or other materials against decay
   • adj.
     acting to preserve something

   • noun: preservative, plural noun: preservatives

2. • 釋義

   n.

   名詞

   • 1. a substance used to preserve foodstuffs, wood, or other materials against decay salt has been used for centuries as a preservative the jams contain no artificial colors or preservatives

   adj.

   形容詞

   • 1. acting to preserve something the preservative effects of freezing
3. • 更多解釋

   preservative

   • IPA[prɪˈzəːvətɪv]

   英式

   • n.
     a substance used to preserve foodstuffs, wood, or other materials against decay: salt has been used for centuries as a preservative the jams contain no artificial colours or preservatives
   • adj.
     acting to preserve something: the preservative effects of freezing

   Oxford Dictionary