Lesson18_Sounds・音声 Conversation 1 https://www.9640.jp/wp-content/uploads/2019/09/L18-c1.mp3 2 https://www.9640.jp/wp-content/uploads/2019/09/L18-c2.mp3 3 https://www.9640.jp/wp-content/uploads/2019/09/L18-c3.mp3 まとめてダウンロード|Download all sounds Lesson18の音声をまとめてダウンロード|Download all sounds of Lesson18