名词
中文翻译：地下土壤
同义词：
['subsoil', 'subsoil layer']
例句：
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1.The soil is rich in nutrients, making it an ideal location for growing crops.
土壤富含养分，是种植作物的理想地点。
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2.The roots of the tree are buried deep under the soil.
树的根深深地埋在土里。
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3.The scientist studied the soil to understand its impact on plant growth.
科学家研究土壤以了解其对植物生长的影响。