トラックボールでしょう
torakkubōrudeshō
1. Probably a trackball.
Noun
#182895
1. Probably a trackball.
1. (corrugated) cardboard
1. bowl
1. ball-point pen
1. fair
2. fair ball
3. fair (event)
1. volleyball
1. basketball
1. softball
1. foul
2. foul ball