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。

《柯林斯英汉双解大词典》

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。

《牛津词典》

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。

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Or you can steam them in a small amount of water or stir fry them in a small amount of oil.

VOA: special.2010.03.09

So, for instance, if you take a glass of water and you pour it into another glass that's shallow or tall, it won't change the amount of water you have.

比如说,你有一杯水,将水倒进另一个更浅或者更深的杯子里,含水量并未发生任何改变

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The amount of water that you need to have the optimal sort of concentrations of things is determined by how much urine your kidneys produce and how much they excrete each day.

为了保持体内物质的理想浓度,所需的水量,取决于肾脏每天产生,以及排出体外的尿量

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The study in Nature Geoscience also asserts that the cool melt water layer may limit the amount of water sucked from the oceans that falls as snow on Antarctica.

BBC: Melt may explain Antarctica's sea ice expansion

The membrane has to be capable of dealing with a very high water "flex, " the amount of water that it is able to withstand being pumped across it, and at the same time, be fine enough to keep the salt and fresh waters separate.

FORBES: Getting Power From Salty Water

Lastly, group plants together by water usage to ensure they get the correct amount of water.

CNN: X-rated yards save the environment