名词
中文翻译：球保持弹簧
同义词：
['ball retainer', "ball retaining device例句：1. The ball retaining spring is designed to prevent the ball from rolling out of the socket.（球保持弹簧设计用来防止球从套筒中滚出。）2. The ball retaining spring is a crucial component in the game's scoring mechanism.（球保持弹簧是游戏得分机制中的关键部件。）"]
例句：
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1. The ball retaining spring is designed to prevent the ball from rolling out of the socket.
球保持弹簧设计用来防止球从套筒中滚出。
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2. The ball retaining spring is a crucial component in the game's scoring mechanism.
球保持弹簧是游戏得分机制中的关键部件。
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3. The ball retaining spring was installed by the team's engineers to ensure the ball would not slip out during play.
球保持弹簧是由球队工程师安装的，以确保球在比赛中不会滑出。