井干方知泉水贵。
那么作为拥有一种永恒的泉水而不仅仅是一口井的你将怎样呢？
How then shalt thou possess a perpetual fountain and not a mere well?
在西山对一些生产井，地表水和岩溶泉水的天然氚和氧- 18含量做了详细研究。
Natural tritium and oxygen-18 contents of the well waters, surface water, and karst springs in the West Mountain of Tairuan have been studied in detail.
1999年，美国自然资源保护委员会发现，某一品牌的矿泉水取自于一个危险废物处置场附近的工业停车场的一口井。
In 1999 the Natural Resources Defense Council found that one brand of spring water came from a well in an industrial parking lot near a hazardous waste dump.
结合汤泉水库溢洪道改造工程，介绍井流消能理论及其应用。
Iin combination with the reformation project of Tangquan Reservoir Spillway the paper introduces the theory of well flow consumed energy and its application.
有时，一口井的凹痕看得很清楚，从前这里有泉水，现在是干燥无泪的草；
Sometimes the well dent is visible, where once a spring oozed; now dry and tearless grass;
也许会进入到井中或泉水中。
也许会进入到井中或泉水中。
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