名词
中文翻译：变速表时钟
同义词：
['variator clock', 'variable clock']
例句：
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1.The variable pacer clock on the car dashboard is a great tool for monitoring driving speed.
汽车仪表盘上的变速表时钟是一个监测驾驶速度的好工具。
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2.The variable pacer clock in the classroom helps students stay focused during class.
教室里的变速表时钟帮助学生在课堂上保持专注。
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3.The variable pacer clock on the watch is used to measure the distance traveled during exercise.
手表上的变速表时钟用于测量锻炼期间走过的距离。