求翻译：水是地球生物赖以存在的物质基础，水资源是维系地球生态环境可持续发展的首要条件，因此，保护水资源是人类最伟大、最神圣的天职。保护水资源，首先要全社会动员起来，改变传统的用水观念。其次，必须合理开发水资源，避免水资源破坏。　第三，提高水资源利用率，减少水资源浪费。　第四、进行水资源污染防治，实现水资源综合利用。是什么意思？

Water is the material existence of life on Earth based on water resources to maintain the global environment is a prerequisite for sustainable development, therefore, protection of water resources is humanity's greatest and most sacred duty. Protection of water resources, first of all to mobilize th

Water is on the earth upon which the very existence of water resources is a material basis, and maintain the earth s ecological environment, sustainable development is therefore the primary conditions, protection of water resources is mankind's greatest and most sacred vocation. Protection of water

The water is the material base which Earth biology Lai Yi exists, the water resources is maintains the Earth ecological environment sustainable development the most important condition, therefore, protects the water resources is the humanity is greatest, the most sacred inherent responsibilities.The

Water is life on Earth on which the material basis, water resources are the primary conditions for sustainable development of ecological environment of the Earth, therefore, protection of water resources is the greatest and most sacred duty. Protection of water resources, first of all, to mobilize t

Water is life on Earth on which the material basis, water resources are the primary conditions for sustainable development of ecological environment of the Earth, therefore, protection of water resources is the greatest and most sacred duty. Protection water resources, first society mobilized, chang