名词
中文翻译：河流沉积物同义词
同义词：
['fluviatile', 'fluviatile deposit', 'fluviatile sediment']
例句：
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1. The proluvial deposits in the riverbed are a rich source of minerals.
河床中的河流沉积物是丰富的矿物来源。
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2. The geologists have discovered a new type of fluviatile deposit in the region.
地质学家在该地区发现了一种新的河流沉积物类型。
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3. The ancient riverbeds were filled with proluvial sediment, which is now used as building material.
古老的河流床被河流沉积物填满，现在用作建筑材料。