Groundwater is the water we drink from wells.
Is it fresh water or salt water?
Groundwater /'graʊnd'wɔtɚ/
n. 地下水
[反义词]： n. surface water 地表水
[常用语]：
groundwater level 地下水位
groundwater pollution 地下水污染
[例句]：
Nearly a third of the world's fresh water is groundwater.
世界上近三分之一的淡水是地下水。
The groundwater is only feet beneath the city streets.
地下河距离上面的城市街道只有几英尺。
fresh water 淡水
[反义词]：n. seawater,salt water
[常用语]：
fresh water system 淡水系统
fresh water pearl 淡水珍珠
shortage of fresh water 淡水短缺
[例句]：
All animals need food, fresh water and exercise.
所有的动物都需要食物、新鲜的淡水和运动
Nearly a third of the world's fresh water is groundwater.
世界上近三分之一的淡水是地下水。
译句：人们饮用的从水井中打出来的 地下水是淡水还是咸水？
答案：fresh water
