身体对水的需求量取决于日常活动中水的流失情况。
The body's requirements for water vary, as it can depend largely on how much water is lost with normal daily activities.
安装一套中水回用系统，把洗涮水收集起来供马桶使用。
Install a gray-water system that collects soapy water and diverts it to the toilet.
这只周期性用嘴蘸取玻璃杯中水的鸟其实是一只中空的玻璃塑像。
The dipping bird is a hollow glass figure which repeatedly dips its beak into a glass of water.
因为溶液中水占绝大部分，我们可以扔掉这一部分，结果就变简单了。
But since the solution is overwhelmingly water, we can get rid of this term and make the math simple.
聚集在屋顶的雨水、甚至可能是内部管路回收的“中水”都有可能，建筑师说。
Rainwater, captured on the roof, and perhaps even "gray water" recycled from the interior plumbing are both possibilities, the architects say.
堆芯的一半都暴露在水面上，主回路中水的辐射水平达到正常标准的350倍。
Half of the core is now uncovered, and the radioactivity of the water in the primary loop is 350 times its normal level.
能综合从四个拥有新软件的雷达得到的信号意味着大气中水的含量可以在相隔4 k m远的点取样。
Combining the signals from all four radars using some newly designed software means that the water content of the atmosphere can be sampled at points 4km apart.
然而，当他将所有空气中水，地表水以及地表水加起来时，大体上等于1.2个“世界洋”；
So when he adds up all the air, oceanic/lake/river and underground water he gets, roughly 1.2 "Global Oceans;"
青少年们爬了数十层楼梯，为困在高层建筑中的老人们送去水和食物。
Teenagers climbed dozens of flights of stairs to deliver water and food to elderly people trapped in high-rise buildings.
驱动蒸汽机车的能量可以储存在除水以外的其他物质中。
Energy to drive a steam locomotive can be stored in other materials besides water.
青少年爬上几十层楼梯，给困在高层建筑中无助的老年人送水和食物。
Teenagers climbed dozens of flights of stairs to deliver water and food to elderly people trapped in powerless high-rise buildings.
水从喷泉中涌出。
筹到的钱款将用来挖井眼，再将水抽入干涸的湖中。
The money raised will be used to dig bore holes to pump water into the dried-up lake.
他一口喝干了杯中的水。
答案可能是，现在火星上几乎所有的水都被锁在地表下的永久冻土层中，更多的水被包含在这个星球的极地冰帽中。
The answer may be that virtually all the water on Mars is now locked in the permafrost layer under the surface, with more contained in the planet's polar caps.
包气带中的水会沉降到地下水位，只在矿物颗粒表面留下一层薄薄的水膜。
Water in the vadose zone drains down to the water table, leaving behind a thin coating of water on mineral grains.
水或其他流体通过岩石中相互连通的孔隙空间的能力称为渗透率。
The ability of water, or other fluids, to flow through the interconnected pore spaces in rocks is termed permeability.
然后将热量储存在装满水的容器或混凝土中。
在离水不到一毫米的地方，空气的温度接近于地表水的温度，空气中的水蒸气几乎饱和了。
Within about a millimeter of the water, air temperature is close to that of the surface water, and the air is nearly saturated with water vapor.
湖中的水来自于河流的水、地下渗入的水和泉水、从四周地面流进来的水，还有直接降到湖面的雨水。
Water enters a lake from inflowing rivers, from underwater seeps and springs, from overland flow off the surrounding land, and from rain falling directly on the lake surface.
水在含水层中并不是静止不动的，而是会从泉水中渗出，或渗入其他含水层。
Water does not remain immobile in an aquifer but can seep out at springs or leak into other aquifers.
然后这些装置将氢和氧合成水，并在这个过程中释放电力。
These devices then combine hydrogen and oxygen to make water and liberate electricity in the process.
此外，地热加热的水可能含有从热岩石中溶解出来的盐和有毒物质。
In addition, water heated geothermally can contain salts and toxic materials dissolved from the hot rock.
它可以在环境中存留多年，并污染大面积的土地和水。
It can remain in the environment for many years and pollute large areas of land and water.
起初，这只狗被撞到失去了知觉，但后来靠饮用悬崖底部一条溪流中的水活了下来。
The dog had initially been knocked unconscious but had survived by drinking water from a fresh stream at the base of the cliff.
起初，这只狗被撞到失去了知觉，但后来靠饮用悬崖底部一条溪流中的水活了下来。
The dog had initially been knocked unconscious but had survived by drinking water from a fresh stream at the base of the cliff.
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