There is a bridge across the river.为什莫用across?

问题描述:

There is a bridge across the river.为什莫用across?

across 有横穿,横跨的意思,在表面上穿过的意思,因为桥上河的上面是横跨河的两岸的.
希望能帮到你,祝更上一层楼O(∩_∩)O