铺石头

例句：

1. 1. The workers werebusy laying the foundation for the new building.
   工人们忙着为新建筑铺设地基。
2. 2.The carpenter was laying a woodenfloor in the workshop.
   木匠在车间里铺设一块木制地板。
3. 3. Thebuilders laid down thefirst layer of concrete before startingthe construction.
   建筑工人在开始施工之前铺设了第一层混凝土。