de-, 不，非，使相反。frost, 结霜，受冻。

1. Defrost the fridge regularly so that it works at maximum efficiency.

定期给冰箱除霜，以便它能发挥其最高效率。

2. Make sure that you defrost it completely.

一定要完全解冻。

3. Make sure you defrost the chicken completely before cooking.

一定让冻鸡化透后再烹调。

4. Don't let the meat defrost too quickly.

不要让肉解冻得太快.

5. To do that, you're going to have to defrost him first, right?

要是那样做, 你必须先给他解冻, 对 吗 ?