Last Updated：2025/12/01
Sentence
古植物学者たちは堆積岩の地層で化石化した種子シダ類を発見した。
Quizzes for review
Paleobotanists discovered fossilized seed ferns in the sedimentary rock layer.
See correct answer
Paleobotanists discovered fossilized seed ferns in the sedimentary rock layer.
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