名词
中文翻译：沉积粘土
同义词：
['sedimentary rocks', 'sedimentary deposits', 'sedimentary soil']
例句：
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1. The ancient city is covered with layers of sedimentary clays that have been preserved for thousands of years.
这个古老的城市被保存了数千年的层层沉积粘土所覆盖。
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2. Sedimentary clays are often used as building materials in construction because they are durable and easy to work with.
沉积粘土常被用作建筑材料，因为它们耐用且易于加工。
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3. The geologists found evidence of ancient rivers flowing over sedimentary clays, which led them to believe in the existenceof a long-lost continent.
地质学家发现了古代河流流经沉积粘土的证据，这让他们相信存在一个早已消失的大陆。