正在启动练琴场景…Starting the practice scene…
重新载入
正在启动练琴场景…Starting the practice scene…
重新载入FretGirl 是练吉他的网页应用：在 3D 指板上看懂和弦、音阶和和弦进行，跟着伴奏一起弹。FretGirl is a guitar practice web app: see chords, scales and progressions on a 3D fretboard, and play along with backing tracks.