subsurface water

基本解释

This means that engineering cost is more sensitive to subsurface water.
说明工程投资对地下水可供水量的变化更敏感。
Groundwater----Subsurface water that occurs beneath a water table in soils, rocks, or in fully saturated geological formation.
地下水——在土壤，岩石，或全湿地结构的地下水位下发现的地表水。
blog.sina.com.cn
The researchers reported online 5 August in Science that based on the difference in chlorine ratios, the moon has basically zero subsurface water.
研究人员在8月5日的《科学》（Science）杂志在线版上报道：根据氯元素比率存在的差异可以说明月球基本上不存在地下水。
huzhangao.blog.163.com

Among other response activities are on-water skimming, subsurface wellhead operations, continued efforts to see if they can get that shut-off valve to close, and significant booming efforts underway to protect vital shoreline.
WHITEHOUSE: Press Briefing on Oil Spill in Gulf of Mexico
Activities will include participation in the Global Water Experiment and presentations a subsurface profiling float of the Argo programme, implemented under the auspices of UNESCO.
UNESCO: Race for Water at the Tonnerres de Brest