题目内容：

hair是可数名词吗
“My father has a few grey hair.”这句话对吗,如果不对,那是为什么啊,

优质解答

hair 时,指一根一根的毛发或头发,如说 There’s a hair in my soup (我的汤里有根头发)；用作不可数名词时,则是整体地指一个人的头发.比较：
He has gray hairs.他有几根白发了.He has gray hair.他满头白发了.
这里应该是错的,hair要加S,因为是复数