hair与hairs有哪些区别

hair与hairs有哪些区别 hair与hairs有什么区别吗? 英语什么时候用hair什么时候用hairs She had beautiful black long ( ) but I could see some white ( ).A.hair;hair B.hairs;hairs C.hair;hairs D.hairs;hair后面的hair可数是因为什么? hair在什么情况下可以写成hairs? This is an old photo of my aunt's when she had _______,and now she has_______.A.short hair;grey hairs B.short hairs;grey hairC.short hair;grey hair D.short hairs;grey hairs comb your hair.与brush your hair.的区别 get hair cut和have hair cut有区别吗 This is an old photo of mother's when she had ___,and now she has_____.A.short hair; grey hairs B.short hairs; grey hairsC.short hair ; grey hair D.short hairs; grey hair she has short hair（变复数）答案是they have short hair 他们是把人变复数了,我把头发变复数行吗?she has short hairs 他有好几根短头发可以吗? what's this in English?A.It's a hair. B.Hairs C.An hair D.Hair hair,feather ,down ,wool有什么区别 my father is in his early fifties and he has_____.给我选B的理由?A.some white hair B.a few white hairs C.much white hair D.a little white hair我要的解释是你帮我分析hair可数与否，few和little修饰什么的，哪些该加s。 She had beautiful black long ______ but I could see some white ____.A hair,hairB hair,hairsC hairs,hairsD hairs,hiar 与“普通本科”有哪些区别? short hair的形容词有哪些?quickly. my hairs are black and long,my hair is black and long,哪一句对? I don't like wearing _______A.a long hair B.long hair C.long hairs为什么急