paved ditch

例句：

1. 1. The old road was paved with cobblestones for safety.
   这条旧路被铺上了鹅卵石，以增加安全性。
2. 2.The park has a paved trail that leads to the lake.
   公园里有一条铺砌的小径通向湖边。
3. 3.The construction crew had to pave the streets to make way for the new road.
   施工队不得不铺设街道以便修建新的道路。