refrigeration surface

例句：

1. 1. The refrigerator is designed to keep food fresh for several days.
   冰箱的设计是为了让食物保持新鲜几天。
2. 2. The freezer is used to store perishable items like meat and fish.
   冷冻库用来储存易腐物品，比如肉类和鱼类。
3. 3. The refrigeration system in the kitchen keeps the air at a comfortable temperature.
   厨房里的制冷系统保持空气在一个舒适的温度。