『語彙ドン！』音声ファイル Lesson 4 4-1 https://www.9640.jp/wp-content/uploads/2018/05/4-1.mp3 4-2 https://www.9640.jp/wp-content/uploads/2018/05/4-2.mp3 4-3 https://www.9640.jp/wp-content/uploads/2018/05/4-3.mp3 4-4 https://www.9640.jp/wp-content/uploads/2018/05/4-4.mp3 4-5 https://www.9640.jp/wp-content/uploads/2018/05/4-5.mp3 4-6 https://www.9640.jp/wp-content/uploads/2018/05/4-6.mp3 4-7 https://www.9640.jp/wp-content/uploads/2018/05/4-7.mp3 4-8 https://www.9640.jp/wp-content/uploads/2018/05/4-8.mp3 Lesson 4をまとめてダウンロード（.zip）
