最終更新日：2025/11/25
In discussions of Proto-Indo-European sound changes, the s-mobile accounts for the sporadic presence of initial s- in many cognates.
正解を見る
In discussions of Proto-Indo-European sound changes, the s-mobile accounts for the sporadic presence of initial s- in many cognates.
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）
