noun🔗Share防腐剂，保鲜剂 Any agent, natural or artificial that acts to preserve, especially when added to food."The juice box contains a preservative to keep it fresh until the end of the school day. "这种果汁盒里含有防腐剂，能让它保持新鲜到放学。foodsubstancechemistryscienceChat with AIVocabulary GamePractice Reading
adjective🔗Share防腐的, 保鲜的 Tending to preserve."The curators took preservative actions to maintain the ancient collection."馆长们采取了防腐措施来保护古代藏品。foodsubstancechemistryChat with AIVocabulary GamePractice Reading
