最終更新日：2025/12/05
Geologists stood on the dry valley floor, puzzled by the small misfit stream that could never have carved such a wide gorge.
正解を見る
Geologists stood on the dry valley floor, puzzled by the small misfit stream that could never have carved such a wide gorge.
音声機能が動作しない場合はこちらをご確認ください
編集履歴（0）
