音标:[prɪ'zɜ:vətɪvz] ;
n. 防腐剂( preservative的复数形式 )
n. a chemical compound that is added to protect against decay or decomposition

preservatives的用法和样例:

例句

用作名词(n.)
  1. No preservatives or coloring added.无添加防腐剂或者颜色。
  2. Eat food which contains high fat and specific food preservatives.吃含有高脂肪和特殊食物防腐剂的食物。

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