The mark was usually a deep red color.

VOA: special.2009.09.26

The spec, if you want to add a little bit of color shows you obviously how you can add green and red and so forth.

如果你想添加一点颜色,说明书中详细说明了该如何添加绿色,红色等。

哈佛公开课 - 计算机科学课程节选

How about we paint our walls a red color?

把我们的墙壁刷成红色怎么样？

How about 实战 - SpeakingMax英语口语达人

Red is a hot color.

VOA: special.2009.11.15

One example of a very different cell is a red cell or red blood cell, these are the cells that give blood it's red color.

举个高度分化细胞的例子,红细胞,或称血红细胞,它们赋予了血液鲜红的色彩

耶鲁公开课 - 生物医学工程探索课程节选

Locals joke that Yemeni trees are actually blue and red, the color of the plastic bags that you get when you buy qat, a mildly narcotic leaf, and the Yemeni national past time.

VOA: standard.2010.04.01

And in red is a hair cell marker that labels sensory hair cells and the yellow color is the composite color of the green and the red.

红色部分是遗传标记,代表的是听觉毛细胞,黄色是,红和绿两色的复合色。

斯坦福公开课 - 7个颠覆你思想的演讲课程节选

As I say, red tends to be chosen, but then if you get lab experiments showing that that particular color of gas blue is somehow or another sort of more invasive of your consciousness than red is, then you move away from the arbitrariness of the choice of red as a color.

所以人们就倾向于选择红灯，但是如果你想用实验证明,比如说烟蓝色或者,其他任何另一种颜色比红色更加醒目，那么你就忽视了颜色选择上的任意性。

耶鲁公开课 - 文学理论导论课程节选