pump concrete

例句：

1. 1.The construction crew was busy pumping concrete for the next day's work.
   建筑工人忙于为第二天的工作泵送混凝土。
2. 2. The engineer had to pump concrete into the foundation to reinforce it.
   工程师不得不将混凝土泵入地基以加固它。
3. 3. The workers were instructed to pump concrete around the perimeter of the building to ensure its stability.
   工人们被指示在建筑物周围泵送混凝土，以确保其稳定性。