untreated-gravel road

例句：

1. 1. The untreated-gravel road was so bumpy that it made me want to crawl on my hands and knees.
   那条未处理的砾石路太颠簸了，我都想手脚并用爬行了。
2. 2.The untreated-gravel road is a popular destination for hikers during the summer months.
   未处理的砾石路是夏季徒步旅行者的一个热门目的地。
3. 3. The untreated-gravel road was in such poor condition that it was closed off to traffic for several days.
   那条未处理的砾石路状况如此糟糕，以至于交通被封锁了好几天。