noun🔗Share撞球 A shot in billiards or snooker in which the cue ball strikes two other balls; a carom."He practiced his billiard relentlessly, aiming to hit both the red and yellow balls with the cue ball in a single shot. "他不停地练习撞球技巧，目标是用母球一杆同时击中红球和黄球。sportgameChat with AIVocabulary GamePractice Reading
noun🔗Share台球, 撞球 Pertaining to the game of billiards."a billiard table; a billiard ball"一张台球桌; 一个台球gamesportentertainmentChat with AIVocabulary GamePractice Reading
noun🔗Share台球，桌球 A dynamical system in which a particle alternates between motion in a straight line and specular reflections from a boundary."The study of a billiard inside a rectangular room helps us understand how light reflects off mirrors. "研究长方形房间里的台球运动，能帮助我们理解光线是如何从镜子反射的。physicsgamesportsystemmathChat with AIVocabulary GamePractice Reading
numeral🔗Share万万亿 1015, a thousand billion (long scale) or a million milliard."While rarely used in everyday situations due to the availability of other terms, we can create a sentence like this: "The national debt is estimated to reach several billiard dollars within the next century, if spending isn't reduced." "如果开支不减少，预计在一个世纪内，国债将会达到数万万亿美元。numbermathamountChat with AIVocabulary GamePractice Reading
