用液氮快速冻结食品是保鲜新技术之一。
Deepfreezing food by using liquid nitrogen is a new effective method to keep it fresh.
当您为野餐包装食品时，把冷的食物放在一个有大量的冰的冷却器或商业冻结凝胶中。
When you are packing food for a picnic, place cold food in a cooler with plenty of ice or commercial freezing gels.
她最近自愿申请冻结所有支出，除了食品等必需品。
She recently submitted to a voluntary freeze on all spending, except for essentials like food.
应用推荐