She plucked out a grey hair.

她拔掉了一根灰白头发。

《牛津词典》

Is that a grey hair?

那根是白头发吗？

youdao

I have a grey hair!

我有一根灰头发！

youdao

Halfway up 62nd St, he stops, transfixed by the sight of a lady standing in a doorway with a walking stick, grey hair loosely pinned under a woolly hat.

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He is a bon vivant with a young wife, a big man with a ruddy face, piercing blue eyes and a fluff of grey hair.

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The years have left Vernon Dahmer junior, who strikingly resembles his father, with a full head of grey hair.

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