hand-pitched broken stone

例句：

1. 1. The engineer carefully hand-pitched the stones for the construction site.
   工程师小心翼翼地为建筑工地手抛石。
2. 2.The ancient city was rebuilt using hand-pitched terracotta tiles.
   这个古老的城市是用手工抛制的陶土砖重新建造的。
3. 3. The builders used hand-pitched bricks to reinforce the foundation of the new building.
   建筑师们使用手工抛制的砖来加固新建筑的基础。