名词
中文翻译：地壳层
同义词：
['stratified layer', 'stratigraphic layer例句：1. The geologist is studying the stratum spinosum to determine the age of the rocks.（地质学家正在研究地壳层状物以确定岩石的年龄。）']
例句：
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1. The geologist is studying the stratum spinosum to determine the age of the rocks.
地质学家正在研究地壳层状物以确定岩石的年龄。
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2.The mineralogist found a new type of mineral in the stratum spinosum.
矿物学家在地壳层状物中发现了一种新的矿物。
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3. The archaeologists are excavating the stratum spinosum to find evidence of ancient civilizations.
考古学家正在挖掘地壳层状物以寻找古代文明的证据。