scalp

头皮

She massaged her scalp gently while washing her hair.

她洗头时轻轻按摩头皮。

转卖、炒卖美式，指黄牛票

He was caught scalping tickets outside the stadium.

他在体育场外转卖黄牛票时被抓。

剥头皮

In the old film, the raiders scalped their defeated enemies.

在那部老电影里，袭击者剥下战败敌人的头皮。