superpigmentation

例句：

1. 1.The patient's skin was marked with superpigmentation after the surgery.
   手术后，患者的皮肤上出现了明显的超色素沉着。
2. 2.The artist used a technique to achieve superpigmentation effects in his paintings.
   这位艺术家使用了一种技术，在他的画作中实现了超色素沉着效果。
3. 3. Superpigmentation is a common side effect of certain medications.
   某些药物的常见副作用之一是超色素沉着。