No one, thank God, robbed graves anymore to make black pigment from charred skeletons. They used soot instead.

感谢上帝，现在是没有人掘墓从烧焦的骨骼上刮取黑色颜料了，现在他们使用的是烟灰。

Squid skin contains thousands of tiny organs called chromatophores, each made of black, brown, red or yellow pigments and ringed in muscle.

乌贼的皮肤含有数千种称为色素细胞的微小器官，每种颜色均由黑色，棕色，红色或黄色色素制成，并在肌肉中环绕。

Furthermore, the black pigment didn't cause any harm to the water quality, even after being exposed to elements for years.

此外，即使暴露多年，黑色颜料也不会对水质造成任何损害。

Each sheet contains millions of microcapsules, about as wide as a human hair, filled with negatively-charged white pigments and positively-charged black pigments.

每张纸包含数百万个微胶囊，大约与人的头发一样宽， 充满带负电的白色颜料和带正电的黑色颜料。