名词
中文翻译：Unknown
同义词：
['fluvial sediment', 'fluviatile sediment', 'fluviatile alluvium', 'fluviatile soil', 'fluviatiledeposit']
例句：
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1. The alluvium is rich in minerals and can be used for building materials.
冲积土富含矿物质，可用于建筑材料。
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2. The alluvium has been studied extensively to understand its environmental impact.
对冲积土进行了广泛的研究，以了解其环境影响。
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3. The alluvium is a natural resource that can be harvested for agriculture.
冲积土是一种自然资源，可以用于农业。