over,across,past,through,cross的用法及区别

问题描述:

over,across,past,through,cross的用法及区别

over:介词 一般指在.的上方(与该物体没有接触面)例如:The bridge is over the river.桥在水面之上.across:介词 一般与go等行为动词连用,表“穿过(某物体上方)”与cross意思一样.例如:Be careful when you go ...