rolling on edge

例句：

1. 1. The car was rolling on theedge of the road.
   汽车在路边的边缘上行驶。
2. 2. She rolled her bike along theedge of the park.
   她沿着公园的边缘骑行。
3. 3. The team edged over to scorea goal.
   队伍在边缘上滑过，得分了。