自然基础 meaning in Chinese

natural foundation

She was ashamed of herself for her gloom of the night , based on nothing more tangible than a sense of condemnation under an arbitrary law of society which had no foundation in nature
她于是为那天夜里自己的颓丧感到羞愧了。她的羞愧实在是没有根据的，只不过在毫无自然基础的人为的社会礼法面前，她感到自己是一个罪人罢了。
The degree of sandy desertification will be exacerbating unless some combating measures are put in effect ; through surveying the causes of sandy desertification and its development , we think that the natural basis of sandy desertification is climate changes , landforms , features of sediment and the condition of hydrology , and its immediate cause is the unreasonable activities of human being
探讨了沙漠化成因以及发生发展过程，认为，气候、地貌、沉积物以及水文条件是坝上地区沙漠化的自然基础，而人类不合理的经济活动是沙漠化发生的直接原因。