Last Updated：2025/11/20
Sentence
地質学者たちは、露出した頁岩で石炭紀に遡る豊富な植物化石の群集を発見した。
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The Carboniferous period is named after the extensive coal deposits that formed during this time.
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The Carboniferous period is named after the extensive coal deposits that formed during this time.
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Related words
Carboniferous
English - English
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