the ball that the billiard player or pool player strikes with his cue
双语例句
用作名词 (n.)
In English billiards, there are two cue balls, one white and one spot. 英式台球中，有两颗主球，一颗是白球，一颗是黑点白球。
It may seem obvious, but the most essential skill a good snooker player can have is to be able to hit the cue ball dead centre. 虽然看似是显而易见的，但优秀的斯诺克选手可以掌握的最重要技能还是那种可以直击主球球心的能力。
