1. The dermatologist diagnosed her condition as a pigmentary disorder.
这位皮肤科医生对她的病情进行了诊断，认定她患有色素性疾病。

2. The artist used various pigmentary materials to create vibrant colors in his paintings.
这位艺术家使用了各种色素材料，在他的画作中创造出了充满活力的色彩。