fresh water

There is a shortage of fresh water on the island .

岛上缺少淡水。

Salt water is more buoyant than fresh water .

盐水比淡水浮力大。

Salt water is much more conductive than fresh water is .

盐水比淡水的传导性强得多。

Fresh water and other commodities are in short supply .

淡水和其他商品短缺。

Don 't forget that all dogs need a supply of fresh water to drink

不要忘记所有的狗都需要喝干净的水。

Fresh water freezes at 0 ℃ .

淡水在摄氏零度结冰。

Salt water freezes at a lower temperature than fresh water .

盐水冰点温度比淡水冰点温度低。

Agriculture is a water-intensive business , accounting for nearly 70 % of global fresh water consumption .

农业是一个极耗水的产业。农业耗水量占世界淡水资源消耗量的70%。

Some scientists are examining the potential for harvesting icebergs form Antarctica , which is estimated to have the biggest reserves of fresh water on the planet .

一些科学家在研究从南极洲采集冰川的可能性，据估计，南极洲蕴藏着地球上最大的淡水资源。

The biggest challenge here is irrigation , which consumes 70 % the world 's fresh water .

这其中最大的挑战是农业灌溉，仅此一项便会消耗全球七成的淡水资源。

The three environmental trends —— the shortage of fresh water , the loss of topsoil and the rising temperatures —— are making it increasingly hard to expand the world 's grain supply fast enough to keep up with demand .

当前的三大环境趋势——淡水资源短缺、表层土壤流失和气温不断上升——使得加速扩大粮食供应以跟上需求越来越难。

" It was a very lucky dog . She survived because of a plentiful supply of fresh water , " he added .

他补充说："那是一只非常幸运的狗。她活下来是因为有充足的淡水供应。"。

Treating waste water is a good way to provide fresh water for us .

处理废水是为我们提供淡水的好方法。

When our sources of fresh water get polluted , we can no longer use this water .

淡水资源被污染后，我们就不能再使用这些水了。

If we remove more fresh water than nature replaces , we have taken too much .

如果我们所使用的淡水量超过了大自然的产生量，我们就索取的太多了。

While 75 % of our planet is covered with water , only about 2 % is fresh water — that comes from rivers , lakes , ice and snow .

虽然地球上75%的地方都被水覆盖，但只有2%是淡水，这些淡水来自河流、湖泊和冰雪。

sweet water Definition : fresh water

定义：淡水

Fresh water was at a premium after the reservoir was contaminated .

在水库被污染之后，清水便因稀而贵了。

So when this vapour is changed back into water again , it forms pure fresh water .

因此，当水蒸气再次变成水滴的时候，淡水应运而生。

You can distil fresh water from the sea .

你可以用蒸馏法从海水中提取淡水。

She filled the jug with fresh water .

她将水壶注满了清水。

How is it that rain-drops of fresh water can come from the salt sea ?

那么，海里的咸水怎么会变成不含盐的雨水呢？

She filled the ewer with fresh water .

她将水罐注满了清水。

Each of us drinks about three pints1 of fresh water every day , and we use a great deal of water for washing , for cooking , and for other purposes .

我们每个人每一天都会饮用3品脱左右的淡水，而日常生活中的清洗、烹饪与其他诸多活动都离不开用水。

You must at one time or another have tasted drops of rain as they blew against your face , and so you know that the rain-water is fresh water .

你一定淋过雨而且尝到过雨水的味道，因此你知道，雨水属于淡水。

And wherever they drift , they can have a major influence on their immediate2 environment , changing the temperature of the sea and introducing billions of tonnes of fresh water .

不论冰山漂到哪里，都会对周围环境产生巨大的影响，改变海水温度，并引入数十亿吨淡水。

If we used ten per cent of seaweed instead of wheat in breads and pastas , we ’ ve eliminated a million hectares of land , we ’ ve eliminated all of the carbon dioxide emissions5 associated with that , and we ’ ve also reduced the pressures on very precious fresh water .

“如果我们在面包和意大利面食中使用10%的海藻，而不是小麦，就能省下100万公顷的土地，消除所有与之相关的二氧化碳排放，同时，还能减少宝贵的淡水资源短缺的压力。”

They are fresh water cooling system and sea water cooling system .

他们是淡水冷却系统和海水冷却系统。

Research into Sustaining Use Fresh Water Resources in the World

世界淡水资源持续利用探讨

Saving fresh water and study on realization of cycle economy mode .

节约淡水；研究实现循环经济方式。