Salt water is more buoyant than fresh water.
盐水比淡水浮力大。
There is a shortage of fresh water on the island.
岛上缺少淡水。
Salt water is much more conductive than fresh water is.
盐水比淡水更具有传导性。
In some towns, there is no fresh water.
有些城镇里没有淡水。
They learn how to find fresh water for drinking.
他们学习如何寻找饮用淡水。
People there have to use trucks to carry fresh water.
那里的人们必须使用卡车来运淡水。
One fifth of the world's fresh water is also found in the Amazon Rainforest.
世界上五分之一的淡水也存在于亚马逊雨林中。
Do you know that we are using up the Earth's fresh water faster than we can replace it?
你知道我们消耗地球上淡水的速度比我们能补充它的速度还快吗？
Fog catchers are a great way for people in small and lonely towns to have their own fresh water.
对于生活在荒凉小城镇的人们来说，雾收集器是他们获取属于自己的淡水的极好方式。
"Of course, fresh water," he replied.
“当然，新鲜的水。”他回答。
She survived because of a plentiful supply of fresh water.
由于淡水供应充足，她活了下来。
It is said that the world would run out of fresh water in 2050.
据说到2050年世界上的淡水将会耗尽。
Treating wastewater is a good way to provide fresh water for us.
处理废水是为我们提供淡水的一种好方法。
Humans overwhelmingly live in valleys, and on supplies of fresh water.
绝大多数人类挤着生活在山谷中，依靠淡水维系生存。
They can't get fresh water, electricity; they can't get really anything.
他们得不到淡水和电力；他们什么也得不到。
It would be a disaster for humans when all the fresh water were used up.
如果所有的淡水都用完了，对人类来说将是一场灾难。
When our sources of fresh water get polluted, we can no longer use this water.
当我们的淡水来源被污染，我们就不能再使用这些水。
New estimates of the water reserves go up to 2,700 billion cubic meters of fresh water.
据最新估计，淡水储量将达到2.7万亿立方米。
The biggest challenge here is irrigation, which consumes 70% of the world's fresh water.
这里最大的难题就是灌溉，因为这消耗了世界上70%的淡水。
Today, New Zealand's Lake Taupo is a serene sheet of fresh water, beloved by crayfish and hikers alike.
今天，新西兰的陶波湖是一片宁静的淡水湖，为小龙虾和徒步旅行者所喜欢。
Agriculture is a water-intensive business, accounting for nearly 70% of global fresh water consumption.
农业是水资源密集型产业，占全球淡水消耗的近70%。
As the sea creeps into these fresh water marshes, however, rising salinity is hampering rice production.
然而，随着海洋蔓延至这些淡水沼泽，盐度的上升正在阻碍水稻的生产。
Over the past century, human use of fresh water has increased at more than double the rate of population growth.
在过去的一个世纪里，人类对淡水的使用以超过人口增长率两倍的速度增长。
While 75% of our planet is covered with water, only about 2% is fresh water that comes from rivers, lakes, ice and snow.
虽然地球的75%被水覆盖，但只有大约2%是来自河流、湖泊、冰雪的淡水。
You can see the fresh water contained in the plant will be removed and the plant will quickly lose all its water and dehydrate.
你可以看到，植物中所含的淡水会被移除掉，植物将很快失去所有的水分并脱水。
Beneath the Sahara are huge aquifers, basically a sea of fresh water, that's perhaps a million years old filtered through rock layers.
撒哈拉沙漠下面是巨大的含水层，基本上是一片淡水的海洋，那可能是经过岩石层过滤的，已经有一百万年历史。
Ancient fresh water green algae must have evolved features that enable them to withstand extremes of temperature and periods of dryness.
古老的淡水绿藻一定进化出了一些特性，这些特性使得它们能够熬过极端的温度和干旱期。
Some scientists are examining the potential for harvesting icebergs from Antarctica, which is estimated to have the biggest reserves of fresh water on the planet.
一些科学家正在研究从南极洲收集冰山的可能性。据估计，南极洲拥有地球上最大的淡水储备。
你拿的是新鲜的水吗？
Clean the area out with fresh water or iodine.
用清水或碘酒清洗（受伤）部位。
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