最終更新日：2025/12/03
The researcher carefully inserted the increment borer into the oak trunk to take a core sample for determining the tree's age.
正解を見る
The researcher carefully inserted the increment borer into the oak trunk to take a core sample for determining the tree's age.
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）
