"It wasn't that important. But when I married, it was always a dozen red roses from my husband.

VOA: special.2010.02.08

So this last version of the red light introduces interesting complications which I don't think should confuse us.

所以，关于红灯的这最后一个例子,让我们思考了平时不会思考的问题。

耶鲁公开课 - 文学理论导论课程节选

One of the most obvious things about a red blood cell is it doesn't have nucleus, it has no nucleus.

红细胞最为明显的不同就是,它是无核的,它没有细胞核

耶鲁公开课 - 生物医学工程探索课程节选

"A colorblind person who can't see red can't see the red in purple he just sees blue, " says Dr. Neitz.

WSJ: New Outlook for Colorblindness

The red isn't the red we painted, it's just rust.

NPR: Fiona Apple: 'Extraordinary Machine'

In addition, the IrisPen is somewhat colorblind: It doesn't recognize red or any but the darkest shades of blue.

CNN: Pen scanner reads, translates