1.How much of the fresh water used around the world is for irrigating crops ?
全世界有多少淡水被用来灌溉作物？。
2.At that time, they had a bit of fresh water on the ship. The passengers did not have a bit worry about that for they did not know about it.
当时船上只有一点淡水，旅客一点都不为此烦恼，因为他们不知道。
3.a fresh water fish with small climbing perch , is often found in rivers , swampy areas with a lot of weeds and paddy fields.
属于淡水鲈鱼类，鱼身细小，经常在河流杂草丛生的沼泽区或稻田里找到。
4.Seawater can be changed into fresh water through seawater desalination technology, but it cannot be mass produced due to its high cost.
虽然海水淡化技术能够将海水变为饮用淡水，但成本太昂贵，无法实现规模化。
5.A problem which is often attacked by resistivity measurements is to locate the depth at which saltwater invades fresh water in aquifers .
经常用电阻率测量来攻克的问题是确定含水层中盐水侵入淡水的深度。
6.As for me, if I had fifty-three minutes to spend as I liked, I should walk at my leisure toward a spring of fresh water.
如果是我，要是我有五十三分钟可以自由运用，那我会悠哉*哉向一道清泉走去。
7.There was no fresh water to be found, only a small well of salty desert water.
那里没有淡水，只有一口小井，还是含盐的沙漠之水。
8.This after two weeks of exposure to fresh water and a host of health problems that have come along with it.
由于两个周以来一直暴露在淡水中，由此引发了寄生虫疾病问题。
9."People get fresh water for drinking and its very important to me that they get that" she explains.
她说：“人们都有干净食水，这对我来说相当重要。”
10.Compare the resistance of soil saturated in fresh water with that of soil saturated in salt water.
比较浸透淡水与浸透盐水的土壤的电阻。