Getting behind the wheel of a car can be a exciting new step in a teen's life.中step的意思是什么?

问题描述:

Getting behind the wheel of a car can be a exciting new step in a teen's life.中step的意思是什么?

作为名词来说有:步,脚步;步骤,手段;步调;级别等意思,这里也可指过程,进程这样.