improver
🇬🇧/ɪmˈpruːvə(r)/ 🇺🇸/ɪmˈprʊvər/ 30a person or thing that improves. a substance or agent added to improve a food, especially as a preservative.
noun [专属名词]改进者；改善者；改良物
That bread improver is not suitable for their production method. 可能这个面包添加剂不适合它现有的生产方法。
单词造句: