名词
中文翻译：计数器接力赛
同义词：
['countdown relay', 'timing relay']
例句：
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1.In the Olympics, the counting relay is a crucial part of the event.
在奥运会上，计数接力赛是比赛的重要组成部分。
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2.The athletes lined up for the countdown relay, eagerly awaiting the start of the race.
运动员们排成一排等待倒计时接力赛的开始。
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3. During the competition, the timing relay was used to measure the time taken by each team to complete their tasks.
比赛中使用了计时接力赛来测量每个队伍完成其任务所需的时间。