preservatives是什么意思

preservatives是英语名词preservative的复数形式，它的意思是防腐剂，保护剂。

相关介绍：

例句：

The juice contains no artificial preservatives.

这种果汁不含人工防腐剂。

Nitrates are used as preservatives in food manufacture

硝酸盐在食品加工业中被用作防腐剂。

She is also into building robots and testing preservatives in fast foods.

她还致力于机器人制造和快餐防腐剂检测。