最終更新日：2025/11/21
On the coastal survey, the team paused to examine a band of oolite exposed in the cliff, marveling at the concentric quartz layers in its rounded grains.
正解を見る
On the coastal survey, the team paused to examine a band of oolite exposed in the cliff, marveling at the concentric quartz layers in its rounded grains.
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）
