シリアルトラックボールであれば
shiriarutorakkubōrudeareba
1. if it were a serial trackball; if it is a serial trackball
Noun
1. if it were a serial trackball; if it is a serial trackball
1. (corrugated) cardboard
1. bowl
1. ball-point pen
1. fair
2. fair ball
3. fair (event)
1. volleyball
1. basketball
1. softball