求翻译：主要是指自然物质环境，即自然界提供给人类各种形式的物质财富，如矿产资源、森林资源、土地资源、水力资源等。自然环境也处于发展变化之中。是什么意思？

Mainly refers to the natural physical environment, nature provided the human and various forms of material wealth, such as mineral resources, forest resources, land resources, and hydropower resources. Natural environment in the development and changes.

Principal refers to a natural physical environment, natural environment that is provided to the human forms of wealth, such as mineral resources, forest resources, land resources, water resources, and so on. Natural Environment is in the development process of change.

Mainly refers to the natural material environment, namely the nature provides to the humanity each form material wealth, like mineral resource, forest resources, land resource, hydro-electric resources and so on.The natural environment also is in during the development change.

Mainly refers to the natural physical environment, various forms of material wealth that nature provides to humans, such as mineral resources, forest resources, land resources, water resources, etc. Natural environment is also changing.

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