noun · a person with no hair on their head or the bald head itself

那个秃头男人正坐在公园的长椅上看报纸。

noun · to be without a hat or head covering; to have an uncovered head

他的头发被风吹得很乱，却依然秃头没戴帽子。

noun · to lose the hair on one's head

他担心长期的工作压力会让他提前秃头。