Number three, use two to three basic colors.

原则三，使用两到三种基本色。

The last stage represented industrialized countries with anywhere from eight to 11 basic color terms.

最后一个阶段代表工业化国家，有八到十一个基本颜色词汇。

But it also had to do with defining what a “basic color term” is.

但它也与定义什么是“基本颜色项” 有关。

That’s because not all languages have the same number of basic color categories.

这是因为并非所有语言都具有相同数量的基本颜色类别。

If a language has only two basic color categories, they are dark and light.

如果一种语言只有两种基本颜色类别，那就是深色和浅色。

These scholars thought all languages would eventually reach one set of universal basic colors.

这些学者认为所有语言最终都会达到一套通用的基本颜色。

Also, languages can add more basic color categories, if needed.

此外，如果需要，语言可以添加更多基本颜色类别。

Most aboriginal Australian languages also have added new basic color categories over time.

随着时间的推移，大多数澳大利亚原住民语言也增加了新的基本颜色类别。

They looked at the languages of various cultures and came to the conclusion that there are a limited number of basic color categories.

他们研究了不同文化的语言，得出的结论是，基本颜色类别的数量有限。

Or you can fill it in underneath the layer with some nice basic flat color.

或者你可以用一些漂亮的基本平面颜色将其填充在图层下方。

It’s not obvious why we should have a basic color term for this color, but not this one.

不清楚为什么我们应该为这种颜色有一个基本颜色项，而不是这个。

All English speakers understand basic color words.

所有说英语的人都理解基本的颜色词。

In 2015, researchers found that British English speakers are using lilac and turquoise as basic colors.

2015年，研究人员发现说英国英语的人正在使用丁香色和绿松石色作为基本颜色。

In 1969, two scholars found that languages with few basic color words tend to gradually add more over time.

1969年，两位学者发现，基本颜色词很少的语言往往会随着时间的推移逐渐添加更多颜色词。

Often, if a language has very few basic color words, then most people who speak that language follow a traditional lifestyle.

通常，如果一种语言的基本颜色词很少，那么大多数说该语言的人都遵循传统的生活方式。

And researchers have found that if a language only has 3 or 4 basic colors, they can usually predict what those will be.

研究人员发现，如果一种语言只有 3 或 4 种基本颜色，他们通常可以预测它们是什么。

As long as a dinosaur is preserved with feathers, or some other structure that keeps melanosomes intact, scientists can figure out their basic colors!

只要恐龙保存有羽毛，或保持黑素体完好无损的其他结构，科学家就可以弄清楚它们的基本颜色！

It's vision system allows it to track multiple targets simultaneously, and its basic color vision mode is supplemented with infra-red and night vision modes.

它的视觉系统允许它同时跟踪多个目标，其基本的彩色视觉模式辅以红外线和夜视模式。

They had asked 20 people who spoke different languages to look at these 330 color chips and categorize each of them by their basic color term.

他们让 20 位说不同语言的人查看这 330 个色卡，并根据基本颜色术语对每个色卡进行分类。

These rays are called primary rays and they answer the question of what triangle and  object do the rays first hit and what basic color should be in that specific pixel.

这些光线称为主光线，它们回答了光线首先击中哪个三角形和物体以及该特定像素中的基本颜色应该是什么的问题。