n.(尤指为了寻找石油或水而在地上凿的)钻孔，井眼

原形：borehole复数：boreholes

We need to drill a borehole to access the underground water source.
我们需要钻一个钻孔以获取地下水源。
The geologists are analyzing the data from the newly dug borehole.
地质学家正在分析新挖出的钻孔的数据。
The borehole depths vary depending on the geological structure of the area.
钻孔的深度根据该地区的地质结构而变化。
A borehole was sunk to a depth of 500 meters for oil exploration.
为了石油勘探，钻了一个深度为500米的钻孔。
The borehole casing is essential to prevent collapse and contamination of the well.
钻孔套管对于防止井筒坍塌和污染至关重要。
They encountered unexpected difficulties while drilling the borehole due to hard rock formations.
由于遇到了坚硬的岩层，在钻探钻孔时他们遭遇了意想不到的困难。
Borehole logging helps determine the properties of subsurface layers.
钻孔测井有助于确定地下的地层特性。
The temperature measurements at different depths in the borehole provided valuable information about the Earth's interior.
在钻孔不同深度处测量的温度提供了有关地球内部宝贵的信息。
The project team installed a borehole pump to extract water for irrigation purposes.
项目团队安装了一台钻孔泵，用于提取灌溉用水。
Environmental impact assessments were carried out before starting the construction of the new borehole to ensure compliance with regulations.
在开始新建钻孔建设之前进行了环境影响评估，以确保符合相关法规。