An excessive pigmentation of the skin is not accepted.

一个过度色素沉着的皮肤是不能接受的。

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Increased pigmentation of the skin is common in Addison's disease.

增加色素沉着的皮肤是常见的艾迪生的疾病。

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The constant abuse from the sun often times causes sun spots, or hyper pigmentation of the skin - a tell tale sign of aging.

这种由太阳引起的常态多次后会引起太阳黑子，或者引起皮肤过度晒黑-一种老化的迹像。

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Leucism is a reduction in the pigmentation of the skin.

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