最終更新日：2025/11/26
During the field survey, researchers discovered yuanjiangite in the vein, its silver-white crystals revealing the presence of gold and tin.
正解を見る
During the field survey, researchers discovered yuanjiangite in the vein, its silver-white crystals revealing the presence of gold and tin.
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）
