トップボールじ字FuriganaMeanings1nountop ballIn billiards, the cue ball when it is placed at the head of the table for the opening break shot.ブレイクショットでは、トップボールを正せい確かくに撞つくことが重じゅう要ようだ。In the break shot, it's important to hit the top ball accurately.
