最終更新日：2025/11/29
The old almond-furnace at the historic mint was carefully restored so metallurgists could study how slags of litharge were reduced to lead with charcoal.
正解を見る
The old almond-furnace at the historic mint was carefully restored so metallurgists could study how slags of litharge were reduced to lead with charcoal.
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）
