我有长头发英文怎么说

"Long hair" 在英语中叫做 "long hair"，来源于英语中 "long" 的意思是长，"hair" 意思是头发。

例句:

"She has beautiful long hair." (她有美丽的长头发。)
"He decided to grow his hair long." (他决定把头发长长。)
"She loves to wear her long hair in a ponytail." (她喜欢把长头发扎成马尾辫。)