名词
中文翻译：海洋沉积物
同义词：
['seabed sediment', 'marine sediment', 'marine rock', 'marine debris']
例句：
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1. The company's research focuses on the extraction of marine aggregate from deep-sea trenches.
该公司的研究专注于从深海沟中提取海洋沉积物。
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2.The marine aggregate is used as a base material for building high-rise buildings.
海洋沉积物被用作建造高层建筑的基础材料。
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3.The marine aggregate is rich in minerals and can be used to produce various industrial products.
海洋沉积物富含矿物质，可以用于生产各种工业产品。