across,through,over,cross区别和用法
问题描述：
across,through,over,cross区别和用法
尽量详细一点喔
答
across (介词)横过,穿过,指从……的一边到另一边I swam across the river.through （介词）穿过,通过,指穿过两边（从内部）.We walked through the forest.cross (动词)穿过over(介词)在……上面过I walked over the...