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bore.holeHbC:7hEJl, $5bC:r7hoJln [C]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 boreholes, so that people will have water to drink and cook with.我们必须掘井以便人们有水喝,有水做饭。They obtained information about the rock by drilling boreholes.他们通过钻孔获得了关于岩石的资料。
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