When used medically, hydroquinone can be an effective treatment for skin discoloration.

在医学上使用对苯二酚可以有效地治疗皮肤变色。

I suffer from severe skin discoloration and I suffer from eczema so my skin gets really patchy in the winter, especially on my body.

我患有严重的皮肤变色和湿疹，所以我的皮肤在冬天变得非常斑驳，尤其是在我的身体上。