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BNC: 17542 COCA: 30552

a deep hole made in the ground when looking for oil, gas, or water(为寻找石油、天然气或水而钻的)钻井,钻孔

We must sink a borehole so that people will have water.为了让大家有水吃,我们必须掘井。
They obtained information about the rock by drilling boreholes.他们通过钻孔获知了关于岩石的情况。
BNC: 17542 COCA: 30552
BNC: 17542 COCA: 30552
BNC: 17542 COCA: 30552
borehole
Drilling for oil: blowout, borehole, offshore...

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