preservative
[pri'zə:vətiv]
n. 防腐剂；预防法；防护层
adj. 防腐的；有保存力的；有保护性的
参考例子
1.A preservative can prevent food from spoiling.
防腐剂可以防止食物变坏。
2.The preservative is a kind of additive that is used to inhibit or kill the microbe of food .
食品防腐剂是用来抑制或杀死食品中的微生物、延长食品货架期的一种添加剂。
3.The bacteriostasis of flour paste that was added with different preservative and placed at different temperatures was detected.
对加入不同防腐剂的面酱在不同温度条件下放置，进行抑菌作用的检测。
英文解释
n.
1.a chemical compound that is added to protect against decay or decomposition
2.tending or having the power to preserve
网络释义
Preservative
防腐剂; 防腐的; 保存剂; 保鲜剂;
preservative treatment
防腐处理; 防腐处理，防护处理;
food preservative
食品防腐剂; 食品保鲜剂; 食品保存剂，食品防腐剂; 食品防;
leather preservative
皮革防腐剂;
supplementary preservative
辅助保存剂;