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水 —— 生命之源

水 —— 生命之源. The source of life. 珍惜水节约水保护水. 为了我们的生存环境 行动起来吧！. 二〇一四年六月九日.

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水 —— 生命之源

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  1. 水——生命之源 The source of life

  2. 珍惜水节约水保护水

  3. 为了我们的生存环境行动起来吧！ 二〇一四年六月九日

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