dandruff

名词 dandruff:

1. a condition in which white scales of dead skin are shed by the scalp
2. loose scales shed from the scalp

1. This shampoo will cure your dandruff.
   这种洗发水可除掉头皮屑。

dan.druff

n.（名词）
A scaly scurf formed on and shed from the scalp, sometimes caused by seborrhea.
头皮屑：形成并脱落于头皮的鳞片般的头垢，有时由皮脂溢出引起

来源：
dand- [of unknown origin]
dand- [来源不明]
dialectal hurf [scurf] from Old Norse hrufa [crust, scab]
方言 hurf [头皮屑] 源自 古斯堪的纳维亚语 hrufa [痂，疤]

【引伸】
dan.druffy
adj.（形容词）