水资源是生物生存不可缺少的自然资源和环境资源。
Waer resources are the natural resources and environment resources essential to the existence of living things.
物质循环、再生利用的生态学原理是自然资源和环境从有限到无限的生命原则。
Circulating and regenerating mechanism make the natural resources from finite to infinite and it is the life rule for ecosystem.
泰国官方决定封闭达柴岛，声称繁重的旅游服务已经对自然资源和环境造成了负面影响。
Thai authorities are set to close the island of Koh Tachai, saying heavy tourism is negatively affecting natural resources and the environment.
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