最終更新日：2025/12/02
The prolonged exposure to alternating wet and dry conditions laterizes the topsoil, turning it into a hard, iron-rich layer.
正解を見る
The prolonged exposure to alternating wet and dry conditions laterizes the topsoil, turning it into a hard, iron-rich layer.
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）
