Lake Moeris received its water from the annual floods of the Nile.
莫里斯湖每年从尼罗河的洪水中获取水源。
By whatever means, a lake is constantly gaining water and losing water: its water does not just sit there, or, anyway, not for long.
不管用什么方法，一个湖泊的水总是在不断地增加和减少：它的水不会只是待在那里，或者待很久。
Wuxi is famous for its water but it once had trouble because of water.
无锡因水著名，也曾因水而困。
It removes heat from the air outside or the ground below and uses it to supply heat to a building or its water supply.
它从外面的空气或下方的地面收集热量，并用此来供应建筑物或其供水所需的热量。
Berendsen has reduced its water usage by 50 per cent.
贝伦德森已经减少了50%的用水量。
In the northern states, its water supports cattle empires.
在北部的几个州，河水还支撑着庞大的养牛业。
Its water supply, the IPCC predicts, will fall 30% below requirements.
其供水，IPCC预测，将比需求少30%。
It faces complex challenges in managing its water in a changing environment.
该邦面临的一个复杂挑战是在变化多端的环境中管理其水资源。
Egypt depends almost exclusively on the Nile River for its water supply.
埃及的供水几乎完全依赖尼罗河。
Oklahoma, wishing to preserve its water sources, limits interstate water sales.
而俄克拉荷马为了保护其水资源而限制各州间的水交易。
The Las Vegas valley gets its water through two long channels drilled through the rock.
拉斯维加斯位于山谷地带其城市用水来自于两条凿穿岩石的水渠。
If Earth was the size of a basketball, all of its water would fit into a ping pong ball.
如果地球是一个篮球大小，就可以所有的水可以注进一个乒乓球。
What India does with its water will be a test of whether that combination is possible.
印度对水资源所做的将会是对是否可以与他们联合的一个测试。
The metropolis closest to Lake Mead, Las Vegas, gets 90% of its water from this one source.
离米德湖最近的大城市，拉斯维加斯其90%的城市用水来自科罗拉多河。
For much of the past 20 years metro Atlanta had little reason to alter its water habits.
过去20年的大多数时候，亚特兰大市区鲜少理由改变自个的用水习惯。
The Thorny Devil, or Moloch horridus, gathers all its water through channels in its skin.
有带刺魔鬼之称的澳洲魔蜥会通过皮肤上的槽型结构来给水。
It now covers 4, 600 hectares and its water level is declining by 20 centimetres annually.
现在红碱淖占地4600公顷，每年水位下降20厘米。
Mixed with smoke, the air rises high enough for its water vapor to condense and form clouds.
热气加上烟雾升得很高，足使水蒸气变成云。
But the moon, which was dry at this point, received a majority of its water via comet collisions.
但是，月球，当时是干燥的，通过彗星碰撞接受了大部分水。
Venus, for example, lost its water, and Mars' water — what's left of it — is locked up in its soil.
比如金星已经失去了水，而且火星的水——唯一剩下有水的——只锁在土壤里。
Saudi Arabia said in 2008 it would cut domestic wheat output by 12.5% a year to save its water supplies.
沙特阿拉伯表示，在2008年会削减12.5%的国内小麦产量以节约水的消耗。
Its position so far upstream has left its water supply particularly vulnerableto floods and drought.
亚特兰大的位置距离河流的上游太远，以至于它的供水体系经常遭受洪水和干旱的影响。
Manchhar lake is Pakistan's largest freshwater lake, and its water level varies considerably over time.
曼查尔湖是巴基斯坦最大的淡水湖，其水位随时间变化非常大。
Besides introducing novel ways to increase its water supply, Singapore is also serious about reducing demand.
尽管正在研究新的方法来增加水供给，新加坡也还在严肃对待减少水需求。
When they came to Marah, they could not drink its water because it was bitter. (That is why the place is called Marah.)
到了玛拉，不能喝那里的水；因为水苦，所以那地名叫玛拉。
When they came to Marah, they could not drink its water because it was bitter. (That is why the place is called Marah. )
到了玛拉，不能喝那里的水；因为水苦，所以那地名叫玛拉。
This discovery led to the belief that comets supplied the moon with a majority of its water back when it originally formed.
这一发现产生了一个信念- - - - - -远在月球最初形成时，彗星给月球提供了大部分的水。
So the morning fog, and the dew on your windshield, comes from air that's cooled enough that it can't hang onto its water.
清晨时分的晓雾和挡风玻璃上的晨露即源于此——空气当中的水分冷凝结成的水珠。
So the morning fog, and the dew on your windshield, comes from air that's cooled enough that it can't hang onto its water.
清晨时分的晓雾和挡风玻璃上的晨露即源于此——空气当中的水分冷凝结成的水珠。
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