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BNC: 17542 COCA: 30552
borehole
bɔːʳhoʊl ˈbɔrˌhoʊl
Word forms: plural boreholes
N-COUNT (尤指为了寻找石油或水而在地上凿的)钻孔,井眼 A borehole is a deep round hole made by a special tool or machine, especially one that is made in the ground when searching for oil or water. (尤指为了寻找石油或水而在地上凿的)钻孔,井眼
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BNC: 17542 COCA: 30552
BNC: 17542 COCA: 30552
BNC: 17542 COCA: 30552
borehole
Drilling for oil: blowout, borehole, offshore...

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