California has been facing a drought for many years now, with certain areas even having to pump freshwater hundreds of miles to their distribution system.
2018年12月四级真题（第一套）阅读 Section C
New estimates of the water reserves now go up to 2,700 billion cubic meters of freshwater.
2018年12月四级真题（第一套）阅读 Section C
Wells are much more reliable sources of freshwater, and California is hoping that these deep wells may be the answer to their severe water shortage.
2018年12月四级真题（第一套）阅读 Section C
英语六级真题
Elsewhere in Antarctica, Russian researchers boast of their recent discovery of a freshwater reserve the size of Lake Ontario after drilling through miles of solid ice.
出自-2016年12月阅读原文
柯林斯高阶英汉双解学习词典释义
ADJ
(湖)淡水的;(生物)淡水中生长的
A freshwater lake contains water that is not salty, usually in contrast to the sea. Freshwater creatures live in water that is not salty.