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TOEFL BNC: 20370 COCA: 17163

preservative

1 ENTRIES FOUND:
preservative /prɪˈzɚvətɪv/ noun
plural preservatives
preservative
/prɪˈzɚvətɪv/
noun
plural preservatives
Learner's definition of PRESERVATIVE
[count, noncount]
: a substance that is used to preserve something防腐剂: such as
: a chemical that is added to food to keep it fresh longer(食品)防腐剂
: a substance that is used on wood to prevent it from decaying(木材)防腐剂,防护剂

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