名词
中文翻译：球体附着物
同义词：
['balling', 'ball joint']
例句：
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1.The team's performance was greatly improved after the new coach took over.
新任教练上任后，球队的表现有了显著提升。
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2.The ball attachment on the table is a great help for me to study.
桌子上的球体附件对我来说学习非常有帮助。
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3.The engineer attached the ball joint to the machine to make it work properly.
工程师将球体附件连接到机器上，使其能够正常工作。