『語彙ドン！』音声ファイル Lesson 17 17-1 https://www.9640.jp/wp-content/uploads/2018/05/17-1.mp3 17-2https://www.9640.jp/wp-content/uploads/2018/05/17-2.mp3 17-3https://www.9640.jp/wp-content/uploads/2018/05/17-3.mp3 17-4https://www.9640.jp/wp-content/uploads/2018/05/17-4.mp3 17-5https://www.9640.jp/wp-content/uploads/2018/05/17-5.mp3 17-6https://www.9640.jp/wp-content/uploads/2018/05/17-6.mp3 17-7https://www.9640.jp/wp-content/uploads/2018/05/17-7.mp3 Lesson 17をまとめてダウンロード（.zip）
