1.介词后面再加介宾的情况是有的,不过这种介词比较少见,在高中一般只要求掌握两个：from和except.
2.比如：
1）The tiger jumped from behind the tree.
老虎从树后面跳了出来.
2）I walk to school except on rainy days.
除了下雨天之外,我（都是）步行上学.
3）I don't like to make friends with girls except with short hair.
我不喜欢和女孩子交朋友,有短发的例外.