defrost

1. V-T/V-I 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. 使解冻

She has a microwave, but uses it mainly for defrosting bread. 她有一台微波炉，但是主要用于解冻面包。

Once the turkey has defrosted, remove the giblets. 一旦火鸡解冻，立刻移除鸡杂。

2. V-T/V-I When you defrost a refrigerator or freezer, you turn it off or press a special switch so that the ice inside it can melt. You can also say that a refrigerator or freezer is defrosting. 除霜

Defrost the fridge regularly so that it works at maximum efficiency. 定期给冰箱除霜能取得最大效率。