Likewise, pumping water into natural aquifers for seasonal storage tends to be much cheaper than building a big dam, and prevents the great waste of water through evaporation.
同样,把水抽送到天然地下储水层,季节性地储水,往往也比建大坝省更多的钱,同时还防止水分蒸发的浪费。
The Great Lakes comprise the largest collective body of fresh water on the planet, containing roughly 18 percent of Earth's supply. Only the polar ice caps contain more fresh water.
五大湖区是全球最大的淡水“蓄水池”,地球上大约18%的可利用淡水(都在这)——除此之外,只有极地的冰盖才能贮藏更多的淡水。
The Great park will use recycled water in its lake (older parks often used mains water).
“大公园”的湖将使用再生水(老的公园经常使用管道水)。
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