它们也可用于其他有色物质，像是墨水、化妆品和纺织品。
They could also be used in other coloured substances, such as ink, cosmetics and textiles.
这种技术就像用在你的智能手机或是显示屏上的一样，它有色彩和高对比度，还有它具代表性的就是比电子墨水拥有更高的分辨率。
LCD: This tech in e-readers is just like on your smartphone or monitor. It's color, high-contrast, and typically sports much better resolution than E-Ink.
我找到两个装有色指甲油的瓶子，其中一个里面只有几滴鲜红色液体，实际上那是红墨水。
I found two bottles of colored nail varnish. One contained only a few drops of a bright red liquid, which was in fact red ink.
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