Last Updated：2025/12/06
The ancient vertebrae were coossifying, forming a rigid column that limited the dinosaur's flexibility.
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The ancient vertebrae were coossifying, forming a rigid column that limited the dinosaur's flexibility.
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古い椎骨は一緒に骨化していて、恐竜の柔軟性を制限する硬い柱を形成していた。
