为什么cut across the park可以?cut across不是从物体表面穿过?

为什么cut across the park可以?cut across不是从物体表面穿过? cut across cut through区别 The yellow river _______ several valleys A.cut off B.cut through C.cut down D.cut across slowly,the river cut down_____hard rocks?(along through across past) cut across 什么意思 新概念英语30课：课文上有句话是：the wayle is a small river that cuts across the park near my home然后老师说了一个例句：he cut across the fields and got there in time.来说明 cut across 是固定搭配,但是为什么例句 He swam across the river last year.为什么用across when magnetic filed lines cut across a conductor,a current is induced in the conductor across china为什么不加the across the across the across the Across the ``````````````` cut the Cut the I ran my fingers across a fresh cut on my forehead.翻译上下文：Sitting cross-legged on the floor of a Bhimanagar slum dwelling in Bangalore, I ran my fingers across a fresh cut on my forehead. He helped the old woman across the road.across的用法对吗?为什么? The view is common across all the neighborhood.这里为什么用across