"染发" 用英语叫做 "dyeing hair"。来源是由两个英语单词 "dye" 和 "hair" 组合而成。

例句：

She always dyes her hair bright red. (她总是把头发染成鲜红色。)

I'm thinking about dyeing my hair black. (我正在考虑染成黑色。)

He decided to dye his hair blonde for the summer. (他决定在夏天把头发染成金色。)