additive primary colour 加法三原色
primary colour fluorescent light 三基色荧光灯
primary colour reproduction 基色重现
primary colour signal drive 原色激励方式
primary-colour filter 原色滤色镜
primary colour filter 原色滤色镜
N-COUNT Primary colours are basic colours that can be mixed together to produce other colours. They are usually considered to be red, yellow, blue, and sometimes green. 原色; 基色 [usu pl]
It comes in bright primary colours that kids will love.
它的颜色都是孩子们喜爱的亮丽原色。
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