You'd have to know what pigments he used, in other words, what ingredients he used to make different colors of paint, because the ingredients used in paints and binding agents have changed over time.

你要知道他使用了什么颜料，换句话说，他用了什么原料来制造不同颜色的油漆，因为油漆中使用的原料和结合剂都随着时间的推移而改变。

youdao

Different chemicals produced different colors of flames, including bright orange and dark green.

不同的化学物质会产生不同颜色的火焰，包括亮橙色和深绿色。

youdao

These groups are represented by four different colors of trash bins—green, blue, red and grey.

绿色、蓝色、红色和灰色这四种不同颜色的垃圾桶代表着这几类垃圾。

youdao

Her work "Variations on H" is made up of different colors of finely made hands connected together to form a flowing cloth.

VOA: special.2009.11.04

So what I want to point out about them is that they're made up of two nodes, and what you can see is that nodes are shown in different colors here and those are different phases.

关于它们我要指出的是,它们有两个节点，你们可以看到在这里,这些节点的颜色不同，它们的相位不一样。

麻省理工公开课 - 化学原理课程节选

So there are all sorts of different little technique things you can do to create different colors and sounds on all string instruments, so this applies to any of them.

在所有弦乐器中,都能用很多小技巧,来制造不同的音色和音质,这些技巧对任何弦乐器都适用

耶鲁公开课 - 聆听音乐课程节选

Early versions split the signal into eight wavelengths of different colors of light.

FORBES: Hooked on Photonics

This can be as simple as testing different colors of a button on the same page and noting which color drives the most conversions.

FORBES: Want Results? Become Obsessed With Data

The different colors of paint are gathered in trays at the bottom of your screen, allowing you to drag and drop them on the press.

FORBES: Unleash your inner Gutenberg with LetterMpress