使用去角质产品肯定是正确的，比如含砂糖和花生壳的磨砂膏确实可以去除老化的表皮层，让皮肤重新变得柔嫩而焕发光彩。

There’s no question that using exfoliants, such as scrubs that contain sugar or ground nut shells to slough off dead surface layers, can indeed reveal softer, healthier-looking skin.

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纹身其实就是用带有颜料的针刺工具在皮肤的表皮层留下的永久记号或图案。

A tattoo is a permanent mark or design made on your skin with pigments inserted through pricks into the skin's top layer.

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色彩效果增强的人类断裂头发尾部电子显微照显示外面的表皮层包裹着里面的皮质层。

Colour-enhanced scanning electron micro-graph of the split end of a human hair showing the outer cuticle layer surrounding the inner cortical layer.

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Your stomach is a very complex organ that has a muscle layer, it has an epithelial layer which is the interface with food that comes in, and it also has a nervous system, so does the heart.

你的胃是一个非常复杂的器官,它拥有一个肌肉层,有一个与摄入的食物,相接触的表皮层,也有一套神经系统,心脏也有

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