Carrying water from the well: the well near the field is main source of drinking water.

水井里挑饮水田边的水井，是村民的主要饮用水源。

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Ponds, streams, and water from run-off should not be used as the sole source of drinking water.

池塘水、溪水或者是其他形式的流水不应该成为唯一的饮用水源。

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Finding water is a huge boost for future human missions as it could be used not only as a source of drinking water but also as fuel.

找到水对人类未来的探月计划具有重大的推动作用，因为它不仅可以用来作为饮用水的来源，也能用作燃料资源。

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The Ogallala aquifer is a major source of drinking and irrigation water for America's central plains.

VOA: special.2011.07.08

The specter of dead pigs fouling a crucial source of drinking water also highlighted the parallel issue of food safety.

WSJ: Dead Pigs Worry Shanghai

One of his neighbours, Muhammad Idris, complains that cow carcasses are poisoning the river that is their main source of drinking water.

ECONOMIST: Facing famine, Ethiopia appeals urgently for food aid

In a statement, the Shanghai municipal government said that the water in Huangpu River, which is a major source of drinking water for Shanghai, was safe.

BBC: China pulls nearly 6,000 dead pigs from Shanghai river