名词
中文翻译：边缘沉积物
同义词：
['marginal accumulation', 'marginal sediment']
例句：
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1. Theriver's edge is covered in a layer of marginal deposits.
河流的边缘覆盖着一层边缘沉积物。
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2. The study found that the marginal deposits could be used as raw materials for new energy sources.
研究发现，边缘沉积物可以作为新能源的原材料。
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3.The research team collected samples from different parts of the river to study the characteristics of marginal deposits.
研究团队从河流的不同部分收集样本，以研究边缘沉积物的特性。