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。
英英解释
n.
1. a chemical compound that is added to protect against decay or decomposition
2. tending or having the power to preserve