名词
中文翻译：冲积的
同义词：
['fluvial', 'fluviatile']
例句：
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1.The alluvial deposits are evidence of the river's flow over time.
冲积沉积物是河流随时间流动的证据。
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2.The alluvial plain is a region where the river has cut through the land.
冲积平原是河流穿过陆地形成的地区。
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3.The alluvial fan is a type of sedimentary rock formed by the deposition of sand and gravel.
冲积扇是一种由沙和砾石沉积形成的沉积岩类型。