refrigerate
🇺🇸
/rɪˈfrɪdʒəreɪt/
🇬🇧
/rɪˈfrɪdʒəreɪt/
To cool something down, especially food, to keep it fresh or to preserve it.
After buying the milk, I refrigerated it to keep it fresh.
买完牛奶后,我把它冷藏起来以保持新鲜。