名词
中文翻译：下石炭系地层
同义词：
['lower carboniferous formation', 'lower carboniferous rock例句：1. The LowerShihhotse Formation is a significant geological formation in the region.（下石炭系地层是该地区的一个重要地质构造。）2. The LowerShihhotse Formation contains fossils that are millions of years old.（下石炭系地层中包含了数百万年历史的化石。）']
例句：
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1. The LowerShihhotse Formation is a significant geological formation in the region.
下石炭系地层是该地区的一个重要地质构造。
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2. The LowerShihhotse Formation contains fossils that are millions of years old.
下石炭系地层中包含了数百万年历史的化石。
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3.The LowerShihhotse Formation was formed during the Carboniferous period.
下石炭系地层是在石炭纪时期形成的。