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preservative a 防腐的(preserve保存)

释义2preservative
/ prI5z\:vEtIv /


noun
1. a substance used to preserve foodstuffs, wood, or other materials against decay
• 防腐剂;保护剂
adjective
1. acting to preserve something
• 保护的,保存的
 »the preservative effects of freezing.
  冷冻的防腐保护作用。
【语源】
1. late Middle English: via Old French from medieval Latin praeservativus, from late Latin praeservat- 'kept', from the verb praeservare (see preserve )


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