【TED】キャロライン・ハーパー:世界で最も古い病気の1つを根絶したら? (【TED】Caroline Harper: What if we eliminated one of the world's oldest diseases? (What if we eliminated one of the world's oldest diseases? | Caroline Harper))┃VoiceTube 動画で英語学習
【TED】キャロライン・ハーパー:世界で最も古い病気の1つを根絶したら? (【TED】Caroline Harper: What if we eliminated one of the world's oldest diseases? (What if we eliminated one of the world's oldest diseases? | Caroline Harper))