The microscopic structure looked like it was cooked, too, to make the pigment more durable and colorfast.

它的显微结构看起来也像煮，素更持久且不褪。

No problem, madam. But I think the red sweater not colorfast. Would you like to have it dry cleaned?

问题，女士。我想那件红毛衣可能会掉，您愿吗？

And you can see how this process generates very little runoff and produces a colorfast pigment without the use of any chemicals.

你可以看到这个程如何产生非常少的径流，并在不用任何化学品的情况下生产出不褪的颜料。