preservative
🇺🇸
/prɪˈzɜːrvətɪv/
🇬🇧
/prɪˈzɜːvətɪv/
keeps things from spoiling or rotting
Salt has preservative qualities that help keep food fresh longer.
盐具有防腐特性,有助于延长食物的保鲜期。
a substance that stops things from spoiling or rotting
This bread uses a natural preservative to stay fresh for days.
这种面包使用天然防腐剂来保持数天的新鲜。