borehole
名词 C2中文： 钻孔、探井
- A hole bored into the ground to collect samples for analysis or to extract oil or water. · Near-synonym: well· The state of the groundwater is monitored at various boreholes in the area.
- Any other hole that has been bored into something. · There were little boreholes in the oak beam, indicating that insects had once taken some interest in it.
复数 boreholes
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