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preservative是什么意思

preservative

英[prɪˈzɜ:vətɪv] 美[prɪˈzɜrvətɪv]

n. 防腐剂，预防法，防护层；

复数：preservatives;

相关单词 preservatives

柯林斯高阶英汉双解学习词典释义

N-MASS

防腐剂；保护剂

A preservative is a chemical that prevents things from decaying. Some preservatives are added to food, and others are used to treat wood or metal.
例句
Nitrates are used as preservatives in food manufacture... 硝酸盐在食品加工业中被用作防腐剂。 Though the panels come pre-treated, they needed a final sealing with two coats of preservative. 虽然这些镶板运来时经过了预处理，但是还需要涂上两层防腐剂进行最后的密封。

英汉词典释义

n.
防腐剂
The wood is treated with preservative to prevent decay. 这块木头用防腐剂处理过以防止腐烂。 Make sure the panels are treated with a wood preservative. 确保镶板用木材防腐剂处理过。

英英词典释义

Noun
1. a chemical compound that is added to protect against decay or decomposition
Adjective
1. tending or having the power to preserve;
"the timbers should be treated with a preservative"

行业词典

体育：防腐剂；
医学：保存剂，防腐剂：于产品中加入的一种物质或制剂，以便杀灭微生物或抑制其繁殖；
水产：防腐剂；抑制微生物生长繁殖，防止食品腐败变质的添加剂。；

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