名词
中文翻译：淡水沉积物
同义词：
['freshwater sediment', 'freshwater sedimentary rock']
例句：
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1. Theriverbed is covered in a layer of freshwater sediment.
河床覆盖着一层淡水沉积物。
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2. Freshwater sediment can be found in many lakes and rivers.
许多湖泊和河流中都能找到淡水沉积物。
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3. The study of freshwater sediment has important implications for understanding the Earth's climate history.
淡水沉积物的研究对于理解地球气候历史具有重要意义。