探矿杖

例句：

1. 1. The geologist used a long, flexible probe to explore the underground cavern.
   地质学家使用一根长而灵活的探针来探索地下洞穴。
2. 2. The engineer carefully placed the surveying rod into the hole and started marking the boundaries.
   工程师小心翼翼地将测量杆放入洞中，并开始标记边界。
3. 3. The archaeologists were using a team of dogs to search for relics in the ruins.
   考古学家们正在用一队狗在废墟中搜寻遗迹。