block stone

例句：

1. 1. The builders used large blocks of stone to build the wall.
   建筑工人使用大块的石头来建造墙壁。
2. 2.The engineer carefully measured the dimensions of the block stone before installing it.
   工程师在安装之前仔细测量了块石的尺寸。
3. 3.The construction crew was working on a project that involved using block stones for structural support.
   施工队正在一个项目中工作，这个项目需要使用块石作为结构支撑。