prospecting hole

例句：

1. 1. The prospecting team found a promising spot for drilling.
   勘探队发现了一个有希望的钻探地点。
2. 2.They used a drilling hole to access the underground water source.
   他们使用了一个钻孔来访问地下水源。
3. 3. The engineer carefully planned the drilling hole to ensure safe extraction of minerals.
   工程师仔细规划了钻孔，以确保安全地提取矿物。