Last Updated：2025/12/04
Sentence
科学者たちは、サメの進化に新たな光を当てる化石化した軟骨魚類を発見した。
Quizzes for review
Scientists discovered a fossilized elasmobranchid that sheds new light on shark evolution.
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Scientists discovered a fossilized elasmobranchid that sheds new light on shark evolution.
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