盐水比淡水的传导性强得多。Salt water is much more conductive than fresh water is.如果你在撒哈拉大沙漠, 你就会知道淡水的价值了.If you were in the Sahara, you would realise the value of fresh water.尽管从理论上说,淡水的水源是保持不变的, 但是事实上淡水的供应量正在减少.And while the supply ...

“淡水的”的英语可以翻译为：limnetic ...