regular coursed rubble

例句：

1. 1. The road was littered with regular coursed rubble after the storm.
   暴风雨过后，道路被不规则的碎石和砾石覆盖。
2. 2. The construction crew had to clear away regular coursed rubble from the site.
   建筑工人不得不清除工地上的不规则碎石。
3. 3. The engineers were studying the regular coursed rubble in the area for potential hazards.
   工程师们正在研究该地区的不规则碎石，以确定潜在的危险。