中文字典怎麼寫我不太清楚
不過我自己在這邊遇到的感覺是
freezer ---- 冷凍用, 所以泛指冷凍庫
refrigerator ---- 就是冰箱
以上不負責解說

找了一下 Cambridge 英英字典
freezer ----
a container, operated by electricity, which preserves food at a very cold temperature so that it becomes solid and can be kept safely for a long time:

refrigerator ( or fridge )
a piece of kitchen equipment which uses electricity to preserve food at a cold temperature: