The three primary colors are red, blue and yellow.

三种基色是红、蓝、黄。

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RGB is short for Red Green Blue, which are the three primary colors of the system and is produced with light.

RGB是红绿蓝的简称，是由光产生的三基色。

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Male side-blotched lizards come in three throat colors—blue, orange, and yellow—and scientists have noticed that each variety displays strikingly different behavior.

雄性侧边斑点蜥蜴（side-blotched lizard）的喉部会呈现出3种不同的颜色——蓝色、橙色和黄色。 而美国科学家注意到，它们中的每种蜥蜴都会表现出明显不同的行为特点。

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The painting is mostly three colors -- blue,green and pink.

VOA: special.2010.03.24

The watch's display comes in three natural colors -- we know red and green are on deck but the third remains a mystery (though blue seems a safe bet).

ENGADGET

The Crickett website features three different .22-caliber rifle models for kids, with shoulder stock colors ranging from pink to red, white and blue swirls.

CNN: 5-year-old Kentucky boy fatally shoots 2-year-old sister