名词
中文翻译：上踏板运动
同义词：
['upper pedal motion', "upper pedal movement例句：1. The car's upper treadle motion is smoothand precise.（这辆车的上踏板运动平稳而精确。）2. The engineer adjusted the uppertreadle motion to improve efficiency.（工程师调整了上踏板运动以提高效率。）"]
例句：
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1. The car's upper treadle motion is smoothand precise.
这辆车的上踏板运动平稳而精确。
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2. The engineer adjusted the uppertreadle motion to improve efficiency.
工程师调整了上踏板运动以提高效率。
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3. Duringthe race, the athletes had to maintaintheir upper treadle motion to avoidfatigue.
在比赛中，运动员必须保持上踏板运动以避免疲劳。