preservative中文什么意思

adj.
(能)保存的；储藏的；防腐的 (from; against)。n.
1.预防法；预防药；防腐剂。
2.起维护作用的因素[原则等]，防…物。
+更多解释...短语和例子
Salt is a preservative for meat. 盐是肉类的防腐剂。

• antifungal preservative:    抗真菌防腐剂
• building preservative:    建筑防腐剂
• chemical preservative:    化学防腐剂

例句与用法

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1. Salt is a preservative for meat .
   盐是肉类的防腐剂。
2. Remedial treatment must be both eradicant and preservative .
   修补处理必须应该是既可预防，又能根治的。
3. The treatment was found to have a negligible preservative effect .
   已发现这种处理法只有很小的防腐作用。
4. Clearly aqueous preservative systems must possess a fixation mechanism .
   显然，水溶性防腐剂必须有固定的历程。
5. The egyptians were not the only people to make use of metallic salts as preservatives .
   并非只有埃及人使过无机盐作防腐剂。

英文释义

名词

1. a chemical compound that is added to protect against decay or decomposition

形容词

1. tending or having the power to preserve; "timbers should be treated with a preservative substance"

百科释义

A preservative is a naturally occurring or synthetically produced substance that is added to products such as foods, pharmaceuticals, paints, biological samples, wood, etc. to prevent decomposition by microbial growth or by undesirable chemical changes.