1V-ERG (使)(冷冻食物)解冻 When you defrost frozen food or when it defrosts, you allow or cause it to become unfrozen so that you can eat it or cook it. (使)(冷冻食物)解冻
She has a microwave, but uses it mainly for defrosting bread. [VERB noun]
她有个微波炉,不过主要用来解冻面包。
Once the turkey has defrosted, remove the giblets. [VERB]
2V-ERG (给)(冰箱或冰柜)除霜 When you defrost a fridge or freezer, you switch it off or press a special switch so that the ice inside it can melt. You can also say that a fridge or freezer is defrosting . (给)(冰箱或冰柜)除霜 [Also VERB]
Defrost the fridge regularly so that it works at maximum efficiency. [VERB noun]