They have only a vague idea of the amount of water available.
他们对于可用水量只有一点模糊的了解。
This smart washing machine will dispense an optimal amount of water for the load.
这台智能洗衣机会根据衣物多少适当安排进水量。
The relative amount of these two kinds of water varies greatly from one kind of rock or sediment to another, even though their porosities may be the same.
这两种水的相对含量在不同的岩石或沉积物之间差异很大，尽管它们的孔隙率可能是相同的。
So when a boat enters a gondola, the amount of water leaving the gondola weighs exactly the same as the boat.
因此，当船只进入吊舱时，离开吊舱的水的重量与船只的重量完全相同。
Knowing the salinity of ocean water and the approximate volume of water, he calculated the amount of salt already held in solution in the oceans.
知道海水的盐度和大致的水量之后，他计算出了海水中已经存在的盐的量。
Think of wetlands as a giant sponge: the earth soaks up a lot of this water that's continually flooding the surface, which increases the amount of water below.
把湿地想象成一块巨大的海绵：地球吸收大量的不断涌向地表的，增加了地表以下水量的这些水。
Wetlands have a big effect on groundwater, the amount of water below the surface of the land.
湿地对地下水，即地表以下的水量影响很大。
To make matters worse, some of the traditional Chinese irrigation methods have wasted an astonishing amount of water.
更糟糕的是，一些中国传统的灌溉方式浪费的水量令人惊讶。
I'm hardly a clotheshorse, but the few new items I buy once again trumped the amount of water flowing from my faucets each day.
我不是一个讲究穿衣的人，但我买的几件新衣服又一次超过了每天从水龙头流出的水量。
The tank had leaked a small amount of water.
水箱渗漏出少量的水。
No amount of cleansing or mineral water consumption can guarantee a clear skin.
再多的洁肤和矿泉水的消耗都不能确保光洁的皮肤。
Because warm air can hold more moisture than cool air, the relative humidity will be constant only if the amount of water vapor in the atmosphere increases as the temperature rises.
因为温暖的空气比冷空气能容纳更多的湿气，所以只有当大气中的水蒸气量随着温度的升高而增加时，相对湿度才会保持不变。
There are quiet islands, warm, clear water, a huge amount of reefs and a variety of marine life.
这里有安静的岛屿，温暖、清澈见底的水，大量的珊瑚礁和各种各样的海洋生物。
The total amount of ice is even more awesome if we estimate the water released upon the hypothetical melting of the world's glaciers.
如果我们估算一下假设世界冰川融化所释放的水，那么冰的总量就更惊人了。
They allow a certain amount of salt to enter their cells, bringing the salt content of the water within the plant, to a slightly higher concentration than that of the surrounding seawater.
它们允许一定量的盐分进入它们的细胞，将水中的盐分带进植物体内，并把其体内的盐含量提高到比周围海水稍高的浓度。
When water moves through the wall of a plant cell, it will move from the side containing water with the lowest amount of salt into the side containing the highest amount of salt.
当水通过植物细胞的细胞壁，它会从含盐量最低的一侧进入含盐量最高的一侧。
When an ice age begins, the continental ice sheets grow, steadily reducing the amount of water evaporated from the ocean that will eventually return to it.
当冰河时代开始时，大陆上的冰原逐渐增大，从海洋中蒸发出来的水逐渐减少，而这些水最终又会回到陆地上。
But since 1980, the amount of water consumed per person has actually decreased, thanks to a range of new technologies that help to conserve water in homes and industry.
但自1980年以来，在一系列帮助家庭和工业节水的新技术应用之后，人均用水量实际上有所下降。
Since the 1950s, the amount of water people use has increased by three times.
自20世纪50年代以来，人类用水量增加了三倍。
Glaciers are part of Earth's hydrologic cycle and are second only to the oceans in the total amount of water contained.
冰川是地球水循环的一部分，其含水量仅次于海洋。
The situation is most critical in Texas, where the climate is driest, the greatest amount of water is being pumped, and the aquifer contains the least water.
这种情况在德州最为严重，那里气候最干燥，抽水量最大，含水层含水最少。
But the amount of water required, especially in a desert, is unprecedented.
但是水量的需求，尤其在这样一个沙漠，是史无前例的。
They combined this with the best available information on groundwater usage to calculate the net amount of water leaving or returning to aquifers.
他们结合现有最好的地下水使用信息来计算蓄水层地下水的净输出或净输入量。
Australian farmers have the right to use a certain amount of water free.
澳大利亚农民就拥有一定量的免费用水。
Absolute humidity is a measurement of the total amount of water vapor in the air at a given temperature.
绝对湿度是指在给定温度的情况下，空气中所含的水蒸气重量的绝对值。
I mounted the mountain and found a fountain with large amount of water.
我登上那座山发现一个水量很大的喷泉。
But there are other factors involved, such as increases in the amount of water needed to grow the food for a growing population.
然而还涉及其他一些因素，例如，为日益扩大的人口生产粮食所需的水量增加。
But there are other factors involved, such as increases in the amount of water needed to grow the food for a growing population.
然而还涉及其他一些因素，例如，为日益扩大的人口生产粮食所需的水量增加。
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