soft surface road

例句：

1. 1.The soft surface road is ideal for bicycle riding.
   这条软表面道路非常适合骑自行车。
2. 2. The soft surface road is slippery and dangerous to walk on.
   这条软表面道路很滑，走路很危险。
3. 3.The soft surface road has been improved to make it safer for pedestrians.
   这条软表面道路已经被改善，以使行人更安全。