最終更新日：2025/11/20
When a point light source illuminates a reflective surface, the caustic curve formed by the reflected rays traces a bright crescent on the floor.
正解を見る
When a point light source illuminates a reflective surface, the caustic curve formed by the reflected rays traces a bright crescent on the floor.
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）
