which在定语从句中,引导定语从句,做宾语或主语 没有实在的意思
the town is famous for its apple pie, which many people like a lot
这个小镇以苹果派闻名,很多人都喜欢吃.which代替主句中的苹果派,做like的宾语,引导了定语从句。