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TOEFL BNC: 20370 COCA: 17163
preservative
prɪzɜːʳvətɪv priˈzɜrvətɪv prɪˈzɜrvətɪv
Word forms: plural preservatives
N-MASS 防腐剂;保护剂 A preservative is a chemical that prevents things from decaying. Some preservatives are added to food, and others are used to treat wood or metal. 防腐剂;保护剂
  • Nitrates are used as preservatives in food manufacture.

    硝酸盐在食品加工业中被用作防腐剂。

  • Though the panels come pre-treated, they needed a final sealing with two coats of preservative.

    虽然这些镶板运来时经过了预处理,但是还需要涂上两层防腐剂进行最后的密封。

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TOEFL BNC: 20370 COCA: 17163
preservative

noun

ADJECTIVE | VERB + PRESERVATIVE | PHRASES ADJECTIVEfood, wood食物/木材防腐劑artificial, chemical, synthetic人造/化學/合成防腐劑Our products contain no artificial preservatives.我們的產品不含人造防腐劑。VERB + PRESERVATIVEapply, treat sth with使用防腐劑;用防腐劑處理某物Make sure the panels are treated with a wood preservative.確保鑲板用木材防腐劑處理過。contain含防腐劑The snacks contain no artificial preservatives, sugar, or salt.這些零食不含人造防腐劑、糖或鹽。PHRASESadditives and preservatives, additives or preservatives添加劑和防腐劑;添加劑或防腐劑a range of traditional cakes made with no additives or preservatives一系列沒有添加劑或防腐劑的傳統糕點
TOEFL BNC: 20370 COCA: 17163
TOEFL BNC: 20370 COCA: 17163

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