The book fell off the table onto the floor.

问题描述:

The book fell off the table onto the floor.
句中两个介词结构off the table 和onto the floor构成什么关系?可以连用?

The book fell off the table onto the floor.这句话的意思是“书本从桌上掉到了地上.”
这两个介词短语构成一个介词词组,作状语修饰动词fell.