名词
中文翻译：土壤自净
同义词：
['soil purification', 'soil purifying', 'soil self-purifying']
例句：
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1. Soil self-purification is a crucial process for maintaining the ecological balance of a region.
土壤自净是维护地区生态平衡的关键过程。
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2. The natural processes of soil self-purification play an important role in the ecosystem.
自然过程的土壤自净在生态系统中起着重要作用。
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3. To achieve sustainable development, it is essential to promote soil self-purification and reduce pollution.
为了实现可持续发展，促进土壤自净并减少污染至关重要。