翻沙工

例句：

1. 1. Theconstruction crew was busy working on the newdam.
   施工队正在忙于修建新的大坝。
2. 2. The engineers were inspecting thefoundation of the new bridge.
   工程师们正在检查新桥的基础。
3. 3. The workers were digging sandfor the construction site.
   工人们正在为工地挖掘沙子。