名词
中文翻译:地层
同义词:
['stratum', 'stratum', 'layer']
例句:
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1.The geologist is studying the stratigraphy of the region.
地质学家正在研究该地区的地层。
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2. The fossils found in the stratigraphic layers provide clues to the past.
在地层中发现的化石为过去提供了线索。
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3. The stratigraphy of the area has been studied for decades.
该地区的地层结构已经研究了几十年。