名词中文翻译1
中文翻译：Unknown
同义词：
['speedometer', 'speed indicator', 'speed gauge']
例句：
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1. Thecar's velocitron shows the current speed.
汽车的速度计显示了当前速度。
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2. The velocitron is used to measure the speed of the train.
测速仪用于测量火车的速度。
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3. The velocitron was a revolutionary tool in the field of transportation.
测速仪是交通运输领域的一项革命性工具。