a. 有助于保存的, 有保存力的 n. 预防药, 防腐剂 【化】 防腐剂; 保存剂 【医】 防腐剂, 保存剂
preservative英语解释
名词 preservative:
a chemical compound that is added to protect against decay or decomposition
形容词 preservative:
tending or having the power to preserve
preservative例句
Salt is a common food preservative.
盐是一种常用的食物防腐剂。
For the first, the best preservative to keep the mind in health, is the faithful admonition of a friend.
说到第一种，最能保人心神之健康的预防药就是朋友的忠言规谏。
preservative详细解释
pre.ser.va.tive adj.（形容词）Tending to preserve or capable of preserving.有保护能力的：倾向于保护或保存的，有保护或保存能力的n.（名词）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
