她的头发不长，也没有花样。

Her hair was short and severe.

《牛津词典》

她的头发不长。

Her hair isn't long.

youdao

大多数人的头发周期不长(记住，一个周期是6 -8年)，此时色素细胞包围毛囊，色素的产生处于最佳状态。

Most people only have a handful of hair cycles (remember, a cycle is 6 - 8 years) where the pigment-producing cells that surround the follicle and transfer pigment are working at their best.

youdao