軌跡球

轨迹球
guǐjìqiú
trackball (computing)

CEDICT

computing

Entry Composition

1 軌跡 guǐjì
  1. locus
  2. orbit
  3. trajectory
  4. track
=2 球 qiú ball used for playing games (variant of 球 qiú)
=2 球 qiú
  1. ball
  2. sphere
  3. globe
  4. ball game
  5. match

classifiers: 個, 場