名词
中文翻译：次生沉积物
同义词：
['secondary sediment', 'tertiary sediment']
例句：
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1.The river has deposited a large amount of metasediment over the years.
多年来，河流已经沉积了大量的次生沉积物。
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2.The study focused on the impact of climate change on the metasediment distribution in the region.
研究专注于气候变化对该地区次生沉积物分布的影响。
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3.The ancient city was buried under layers of metasediment, making it difficult to excavate.
这个古城被厚厚的次生沉积物覆盖，挖掘起来非常困难。