YouTube 線上影音下載工具，輸入你想要下載的 YouTube 網址
How to Download
點選下載的格式大小後，新開影片視窗，點選右鍵即可下載影片
這應該是最終版了 song: I Knew You Were Trouble. - Taylor Swift Roar - Katy Perry We Can't Stop - Miley Cyrus
XXTTT
