walk past为什么walk后跟介词past

walk past为什么walk后跟介词past walk 后跟什么介词七下英语的.. walk by = walk past? walk past与walk by的区别 walk past 和walk into区别walk（ )the window 如何区分walk past walk along和walk straight walk后面介词搭配 go past与walk past的区别 walk walk walk walk walk walk walk walk walk walk