Astral plane surface skin: The surface skin of an astral plane.

星体层表皮：一个星体层的表面皮肤。

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Learn to create realistic sub-surface skin shaders for a variety of skin types.

学习创建逼真的次表面皮肤着色器，适用于各种皮肤类型。

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Then, it removes dead surface skin that can dry, roughen and dull your complexion.

去除皮肤表层导致皮肤干燥、粗糙和晦暗的死皮细胞。

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They can develop as flat, discolored areas of skin or as raised growths, often with a rough surface.

VOA: special.2010.07.06

These are very deep lesions that go not just on the surface of your skin like a blister would, but down into the dermis or deeper layers of the skins, as well.

这些伤非常深,它们不仅像水泡那样存在于皮肤表面,还深入到真皮层或者皮下更深的地方

耶鲁公开课 - 生物医学工程探索课程节选

So, they developed this bifurcated tool, which would be appl--you'd put the stuff on the surface of the tool and then you'd scratch the skin in a certain way so that you could produce sort of a reproducible introduction of the vaccine into the skin.

所以他们发明了一种分为两叉的工具,把疫苗抹在这种工具表面上,然后以某种方式在皮肤上刮,这样就能将疫苗,重复不断地引入到皮下

耶鲁公开课 - 生物医学工程探索课程节选

The closest thing out there to LED photomodulation is a controversial procedure called nonablative laser treatment, which uses heat to burn away sub-surface skin so that new cells will replace it.

FORBES: Magazine Article

This involves putting minute quantities of common foods below the surface of the skin, usually on the arm or the back.

CNN: Food allergy diagnosis 'an inexact science'

The cells that make up our bodies are outnumbered within and on the surface of our skin by microorganisms by a factor of 10 to 1.

FORBES: Yogurt Is Probiotic, Why Not Your Steering Wheel?