1、Objectives: Vitiligo is a common skin disorder characterized by depigmentation.
目的：白癜風(fēng)是一種以色素脫失為特征的常見皮膚病。

2、Acne is the most common skin disorder in the United States.
在美國，粉刺是最常見的皮膚病。

3、I have a skin disorder that destroys the pigmentation of my skin.
我有一種皮膚病變，這摧毀了我皮膚的色素沉著。

4、The patient with the skin disorder is under the care of a dermatologist.
那個患皮膚病的病人正在皮膚科醫(yī)生的照顧下。