定语从句
由关系代词或关系副词引导用来修饰主句中的某一个名词或代词并起定语作用的从句,叫定语从句。
I like the pop music which / that are played by Owl City. He is the musician who I really apprecate. I will leave the place where I was born.
关系代词有: who, whom, whose, which, that, as等; 关系副词有: when, where, why等