She dyed her hair red.

她将头发染红。

youdao

I recognized her by her red hair.

我从她的红头发认出了她。

《牛津词典》

His bristly red hair was standing on end.

他粗硬的红头发根根直立。

《柯林斯英汉双解大词典》

He also had three sisters. While growing up, he became known as Red Adair because his hair was bright red.

VOA: special.2009.03.22

Well, I think everybody's got red hair at the minute because Rihanna dyed her hair red.

我想现在很多女人染红发是因为蕾哈娜染成红发了。

忘不了的生日礼物 - SpeakingMax英语口语达人

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

Some of the youngsters wore their hair dyed red, blond or light brown and nearly everybody dressed in black for mourning.

CNN: ISOLATED IN THEIR GRIEF

So I think what I did, it was kind of combine - my mother had bleached my hair carrot red at one point, and then I said, well, maybe that's not flamboyant enough.

NPR: Etta James: Still Singing Her Song

Even her hair was red.

ECONOMIST: Barbara Castle