n. 防腐剂;预防法;防护层
adj. 防腐的,(能)保存的;储藏的;有保护力的
网络 预防法; 保存剂; 预防药
So far, specialists have worked to add preservative materials to the churches´ exteriors.
到目前为止,专家们一直在为教堂外围添加防腐性材料。
The preservative used is usually ethylene glycol or propylene glycol, as alcohol will evaporate quickly and the traps will dry out.
常用防腐剂是乙二醇或丙二醇,因为随着酒精快速挥发,捕集器也随之恢复干燥。
A pitfall trap can be any small container placed in the ground with the top level with the surrounding surface and filled with a preservative.
陷阱可以是任何放置在地面上的小容器,其顶部与周围的表面齐平,并装满防腐剂。
Sugars are also carbohydrates, sources of sugars are refined sugar—sucrose, which is a food sweetener and preservative and fruit sugars—fructose.
糖类也是碳水化合物,糖类的来源是精制糖——蔗糖,它是一种食品甜味剂、防腐剂和果糖。
Nisin is a natural food preservative produced by certain strains of Streptococcus lactis.
尼生素是由乳酸链球菌产生的一种天然食品防腐剂。