我们应该保持水源清洁。
保持水源清洁污染的水会使人生病甚至死亡，有谁愿意喝这样的水呢？我们要保护水源，刻不容缓。
Who is willing to drink the polluted water? It can cause us to be ill and even to die. We can't wait for a moment to protect our water sources.
保持水源清洁污染的水会使人生病甚至死亡，有谁愿意喝这样的水呢？我们要保护水源，刻不容缓。
Keeping water Sources Clean Who is willing to drink the polluted water? It can cause us to be ill and even to die.
植物能保持空气清新和水源清洁。
这包括保持清洁水源，例如健康鱼群，还包括降低洪水、雪崩、水土流失、干旱的风险或影响。
This includes to maintain clean water including e.g. healthy fish populations, as well as to reduce risks or impacts of floods, avalanches, erosion and droughts.
人们努力寻找方法保持地球清洁：他们对待废气，保护水源，净化废水。
People are working hard to find ways to keep the earth clean: they treat waste gases, protect water sources and purify waste water.
为了防止糟糕的健康状态，远离不净水源，腐坏的水果等等。记得穿暖和点，衣服保持干燥。用酒精清洁伤口也可以防止疾病。
To avoid bad health, stay away from unclean water, rotten fruit, etc. and wear warm, dry clothes. Cleaning your wounds with alcohol helps to avoid illness too.
为了防止糟糕的健康状态，远离不净水源，腐坏的水果等等。记得穿暖和点，衣服保持干燥。用酒精清洁伤口也可以防止疾病。
To avoid bad health, stay away from unclean water, rotten fruit, etc. and wear warm, dry clothes. Cleaning your wounds with alcohol helps to avoid illness too.
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