Impure drinking water is a cause of disease.
不洁的


引发疾病的一个原因。
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12月合集 Even after treatment, wastewater does not usually return to the water supply we drink and bathe in, but thanks in part to carbon and a complicated costly cleaning process, a city in Texas is bringing wastewater back to the faucet.
但即使经过处理,废水也通常不会回到我们饮用和洗澡的水源里,但部分由于碳和复杂昂贵的清洁过程,德克萨斯州的一个城市将废水带回
水龙头里。
9月合集
12月合集
2月合集
9月合集 Not long before the Crimean War, miasma theory had become so widely accepted that the British government actually approved a plan to drain sewage into drinking water, because that would be less harmful than letting it pong on the surface.
在克里米亚战争前不久,瘴气理论被广泛接受,以至于英国政府批准
一项将污水排入饮用水的计划,因为这样比让污水在地面上散发更无害。