保护剂

• protective solute
• preservative
• protecting agent
• protective agent
• protective material

参考释义

保护剂

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例句

1. 防腐剂，保护剂用于保存的东西，尤指加入食品中以防腐坏的化学剂
   Something used to preserve, especially a chemical added to foods to inhibit spoilage.