translation.en: And overlying this is the skin drape, which is a hugely complex three-dimensional structure -- taking right-angled bends here and there, having thin areas like the eyelids, thick areas like the cheek, different colors.
translation.zh: 覆盖其上的是皮肤褶皱， 它是个极其复杂的 三维结构 -- 在这里那里会有各种角度的弯折 有薄如眼睑的区域， 有厚如脸颊的区域和不同的颜色组成。