she has short hair(變複數)答案是they have short hair他們是把人變複數了,我把頭髮變複數行嗎? she has short hairs他有好幾根短頭髮可以嗎?

she has short hair(變複數)答案是they have short hair他們是把人變複數了,我把頭髮變複數行嗎? she has short hairs他有好幾根短頭髮可以嗎?

they have short hair.他們都是短髮(表示髮型不可數名詞).they have short hairs.他們有幾根短頭髮(具體一根一根的頭髮就變成可數名詞了).she has short hair.意思是她是短髮.如果說她有一根短頭髮,句子應該是she has a short hair.所以變為複數時不能改變意思,hair表示髮型,不能加S.