名词
中文翻译：垂直运动
同义词：
['vertical movement', 'vertical displacement']
例句：
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1. The elevator is moving up and down in a vertical motion.
电梯在垂直运动中上下移动。
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2. The car's speed increased as it moved vertically through the tunnel.
汽车以垂直速度穿过隧道时速度增加了。
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3. The ship's crew was instructed to perform vertical motion exercises during the voyage.
船上的船员被指示在航行期间执行纵向运动训练。