missing object-balls 失误目标球
以上来源于: WordNet
To start the game, the object balls are placed in a triangular rack.
为了要开始游戏,物体球被放在一个三角形的架之内。
In pool or pocket billiards there is a cue ball and 15 object balls.
在游泳池或口袋台球有一个主球和15球的对象。
Before the speaking faculty is developed, an object like a ball is recognized, even if it barely resembles the balls seen before.
在开发出说话技术之前,一个象球的东西,甚至看上去只是象个球,就已经可以被识别出来了。
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