名词
中文翻译：外来岩屑
同义词：
['foreign rock fragment', 'foreign rock debris']
例句：
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1. Themineralogist found xenoliths in the riverbed that could be used to study ancient river flow patterns.
矿物学家在河床上发现了xenoliths，这些岩石碎片可以用来研究古代河流的流动模式。
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2. The geologist was puzzled by the presence of xenoliths in the soil, wondering if they had been brought there by human activity.
地质学家对土壤中存在xenoliths感到困惑，想知道它们是否是由人类活动带来的。
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3. The archaeologists were able to use xenoliths as evidence of ancient civilizations, providing new insights into theirhistory.
考古学家能够利用xenoliths作为古代文明的证据，为了解他们的历史提供了新的见解。