皮色，和田子玉外表分布的一层褐红色或褐黄色玉皮，习惯上称为皮色子玉。
洋葱皮色：一些红葡萄酒在氧化过程中所产生的浅茶色。
Pale rose. Light tawny colour which some red wines acquire on oxidation.
颈部呈弥漫性肿大，肿势逐渐增加，边缘不清，皮色如常，不痛。
Growth of the diffuse swelling in the neck is painless, not circumscribed, and no skin discoloration.
刀法细腻，工艺精湛，将对皮色的雕刻和对玉质的保留处理恰到好处。
This art is fine and exquisite in the way of cutting, advanced in workmanship and has perfect execution of engraving and processing of nephrite.
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