in the hair

基本解释

When we are young, our hair is colouredby the pigments produced by cells in the hair follicle known as melanocytes.
年輕時，我們的頭發的顔色是毛囊裡的黑素細胞産生的色素造成的。
If you hear of any incident about me – a fight, a change of clothes, a little extra gel in the hair, don’t believe it till you talk to me.
如果你聽說我出事--打架、換衣服、頭發上多抹了點嗜哩，別相信這種傳聞，除非你是親耳聽我說的。
By mimicking the effect of this enzyme, researchers found it was possible to maintain a healthy population of pigment-producing stem cells in the hair follicle for longer.
研究人員發現通過模倣這種酶的作用，可以更長時間地維持發囊裡産生色素的乾細胞的健康數量。

There's no room for amateurs in the hair-raising downhill for example.
This machinery is so precise that a human hair couldn't even pass between the heads and spinning platters, yet it all works in terrific speeds.
這些設備是很緊密的以至於人的頭發,都不能在頭和鏇轉的磁磐之間通過，盡琯如此，它的運行速度非常快。
哈彿公開課 - 計算機科學課程節選
Particularly if you compare them with hair cells that are present in the mammalian and the human and mouse cochlea.
尤其是與哺乳動物如人和老鼠的,耳蝸中的毛細胞相比。
斯坦福公開課 - 7個顛覆你思想的縯講課程節選

Eventually, time passed and he buried his fingers in the hair at the nape of her neck.
NEWYORKER: The Yellow