For this I used a light pink, brush size of 25, and opacity of 35.Also after you do this, go ahead and smudge the pink to take the form of where the veins will go.

• 为此，我用了一点桃红色，笔刷大小25，不透明度35，继续并模糊桃红色的区域以形成纹理的走向。）