名词
中文翻译：球向导
同义词：
['ball controller', 'ball guideline', 'ball instructor']
例句：
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1. The ball guide was designed to help players maintain their balance during the game.
球向导的设计旨在帮助球员在比赛中保持平衡。
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2. The coach instructed the players on how to use the ball guide effectively.
教练指导球员们如何有效使用球向导。
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3.The ball guide was a critical tool for the team's strategy during the match.
球向导是球队策略中的关键工具。