[with obj.]free (the interior of a refrigerator ) of accumulated ice, usually by turning it off for a period 给(冰箱内部)除霜 ■[no obj.](of a refrigerator) become free of accumulated ice in this way (冰箱)除霜 she opened the door to let the fridge defrost. 她打开门给冰箱除霜。 ■thaw (frozen food) before cooking it 使(冰冻食物)解冻 defrost the turkey slowly. 慢慢使火鸡解冻。 ■[no obj.](of frozen food) thaw before being cooked (冰冻食品)解冻 make sure that it has thoroughly defrosted. 一定要让它完全解冻。 ■(N. Amer.)remove frost or ice from (the windscreen of a motor vehicle) (北美)给(机动车挡风玻璃)除霜