最終更新日：2025/11/20
Under the microscope, a single alveolus revealed how effectively oxygen and carbon dioxide were being exchanged across its thin walls.
正解を見る
Under the microscope, a single alveolus revealed how effectively oxygen and carbon dioxide were being exchanged across its thin walls.
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）
