The color changes are executed by two different kinds of cells in the octopus' skin, mainly by color cells on the skin's surface call chromatophores.

颜色的变化是由章鱼皮肤上的两种不同的细胞造成的，主要是皮肤表面的色素细胞。

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People choose products by color.

人们根据颜色选择产品。

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Indonesia grades polluters by color.

印尼用颜色对污染者评级。

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He told them that people could slow global warming by changing the color of the rooftops of buildings.

VOA: special.2009.06.19

select which location it's going to be set up in and I do it by color. Just,

我是依照颜色来选择展示位置的，只是，

在布鲁明戴尔百货 - SpeakingMax英语口语达人

We can do that by intercepting our observation with the date base and knowledge we required, the whole color map.

通过截取我的观察结果,分析数据库，所需的知识，以及整个彩色图画。

斯坦福公开课 - 7个颠覆你思想的演讲课程节选

Her hanging clothes were organized by color and type, her shoes neatly ordered on the shelves.

NPR: Excerpt: 'Killer Weekend'

Also, by color-coding the bottles, she made it possible for family members to distinguish among their individual medications.

WSJ: When Simplicity Is the Solution

Rachel Roy presented her collection in three displays grouped by color story.

FORBES: NY Fashion Week Day 5: 3.1 Phillip Lim, Jenny Packham, Rachel Roy And Chris Benz