pigmentation
n. 染色;色素淀积;天然颜色
例句
I have a skin disorder, it destroys the pigmentation in my skin.
我有一种皮肤病,它破坏了我皮肤的天然肤色。
《柯林斯英汉双解大词典》
This might sound unappealing, but nightingale droppings have long been used in Japan to clear sunspots, acne marks and pigmentation.
这听起来可能没什么吸引力,但夜莺粪便长期以来在日本被用来清除祛斑、痤疮和色素沉着。
He claimed it was caused by the pigmentation disorder vitiligo, but rumours suggested he had bleached his skin.
他表示这是由色素沉积紊乱造成,但坊间流言称他对皮肤进行了漂白。