开凿工人

例句：

1. 1.The engineer was asked to excavate the foundation of the new building.
   工程师被要求为新建筑打基础。
2. 2. The team spent hours excavating the tunnel for the construction project.
   团队花了数小时为建设项目挖掘隧道。
3. 3. The geologist found evidence of ancient human habitation in the area by excavating the soil.
   地质学家通过挖掘土壤发现了古代人类居住的证据。