subsurface water

基本解释

This means that engineering cost is more sensitive to subsurface water.
說明工程投資對地下水可供水量的變化更敏感。
Groundwater----Subsurface water that occurs beneath a water table in soils, rocks, or in fully saturated geological formation.
地下水——在土壤，巖石，或全溼地結搆的地下水位下發現的地表水。
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.
研究人員在8月5日的《科學》（Science）襍志在線版上報道：根據氯元素比率存在的差異可以說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