Our skin has pigment granules too.

我们的皮肤也有色素颗粒。

These blue dots are pigment granules in the iris of someone with brown eyes.

这些蓝点是棕色眼睛的人虹膜中的色素颗粒。

On the surface of their skin is a super dense layer of pigment granules.

他们的皮肤表面是一层超密集的色素颗粒。

Now, compare that with how dense the pigment granules are in the ultra black fish skin.

现在，将其与超黑色鱼皮中色素颗粒的密度进行比较。