| 单词 | 保护剂 |
| 释义 | 〔protectant〕One that protects:保护剂：一种起保护作用的东西：〔preservative〕Something used to preserve, especially a chemical added to foods to inhibit spoilage.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〔protectant〕applied a protectant to the raw wood.给生木加保护剂〔fixative〕A liquid preservative applied to artwork, such as watercolor paintings or charcoal drawings.定色剂：用于水彩画或炭画等艺术作品的液体保护剂 |
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