名词
中文翻译：跳板
同义词：
['jumping-off point', 'jump-start counter']
例句：
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1. The jump counter is used to measure the height of the jumper.
跳板用于测量跳跃者的身高。
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2. The jump counter was designed to help athletes improve their jumping skills.
跳板设计用来帮助运动员提高跳跃技巧。
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3. The jump counter was a crucial part of the game's scoring system.
跳板是游戏得分系统的关键部分。