设计师选取了蓝和橙黄两种对比色。
The designer has chosen the complementary colours blue and orange.
三个滤镜覆盖了电磁光谱的紫外、蓝和红部分的波长。
The filters cover various wavelengths over the ultraviolet, blueand red portions of the electromagnetic spectrum.
有八种颜色被他用来做色彩疗法——红黄绿蓝和紫棕灰黑。
He used 8 colors in his color therapy, red, yellow, green, blue, violet, brown, gray and black.
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