调查，他和他的同事们挑选八种颜色——红，橙，绿，紫，蓝，黄，粉红和棕色——然后把它们分成4个深浅色单元。

To investigate, he and his colleagues picked eight colors - red, orange, green, purple, blue, yellow, pink and brown - and split each into four shades.

youdao

调查，他和他的同事们挑选八种颜色——红，橙，绿，紫，蓝，黄，粉红和棕色——然后把它们分成4个深浅色单元。

To investigate, he and his colleagues picked eight colors - red, orange, green, purple, blue, yellow, pink and brown - and split each into four shades.

youdao