名词
中文翻译：第四纪沉积物
同义词：
['Quaternary deposit', 'Quaternary material']
例句：
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1.The ancient city of Petra is famous for its Quaternary sediments.
佩特拉古城以其第四纪沉积物而闻名。
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2.The geologists found evidence of Quaternary sediments in the area.
地质学家在该地区发现了第四纪沉积物的证据。
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3.The Quaternary sediments are believed to have formed over millions of years.
人们相信这些第四纪沉积物是在数百万年中形成的。