定语从句What is attribute (定语)?She is a girl.She is a lovely girl.定语形容词性质，可译为“...的”修饰句中名词或代词She is a student of our school.定语不一定由形容词充当定语从句(跟在名词或代词后的从句大概率为定从)She is a lovely girl.The girl is singing.+She is a lovely girl who is singing.先行词（被定语修饰的 ...