cross or pile

例句：

1. 1. The car crossed the river on a bridge.
   汽车在一座桥上横穿了这条河。
2. 2. She crossed the street to get to the store.
   她穿过街道去商店。
3. 3. The old man crossed the road to save the child.
   老人穿过马路去救那个孩子。