我有一个朋友他长着卷发他不胖也不瘦中等身材他长的不高也不矮中等身高
这么一段话,要用英语的话,可以这样写:
I have (got) a friend. He has/wears (a) curly hair. He is medium built, not fat/overweight or thin/slim. He also has (got) medium height, neither tall nor short.