名词
中文翻译：地层学
同义词：
['geological stratum', 'stratigraphy例句：1. The ichnotaxon of the fossilized tree is crucial for understanding its evolutionary history.（化石树的地层学对于理解其进化历史至关重要。）2. The study of ichnotaxons has led to new discoveries about the origins of life on Earth.（研究地层学已经导致关于地球上生命起源的新发现。）']
例句：
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1. The ichnotaxon of the fossilized tree is crucial for understanding its evolutionary history.
化石树的地层学对于理解其进化历史至关重要。
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2. The study of ichnotaxons has led to new discoveries about the origins of life on Earth.
研究地层学已经导致关于地球上生命起源的新发现。
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3. The ichnotaxonologist is responsible for mapping out the geological layers of the region.
地层学家负责绘制该地区的地质层次图。