名词
中文翻译：土壤覆盖层
同义词：
['covered soil', 'soil blanket', 'soil mulch']
例句：
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1.To prevent weed growth, a topsoil cover is essential.
为了阻止杂草生长，必须使用土壤覆盖物。
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2.The farmer used a topsoil cover to protect the crops from the harsh sun.
农民使用土壤覆盖物来保护作物免受强烈阳光的损害。
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3. The topsoil cover helps retain moisture and improve soil fertility.
土壤覆盖物有助于保持水分并提高土壤肥力。