mixing at site

例句：

1. 1. The construction crew was mixing the concrete at the site.
   建筑工人在现场搅拌混凝土。
2. 2. They were mixing the ingredients for their new recipe at the kitchen table.
   他们在厨房的桌子上混合他们的新食谱的原料。
3. 3. The engineer mixed the sand and cement to create a stable foundation for the building.
   工程师将沙子和水泥混合在一起，为建筑物创造了一个稳固的基础。