名词
中文翻译：速度比
同义词：
['speed ratio', 'velocity ratio', 'speed ratio', 'speed ratio']
例句：
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1. The new car has a much higher acceleration than the old one.
这辆新车的加速度比旧车高得多。
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2.The team's performance was significantly better than last year's.
这个团队的表现比去年好很多。
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3.The scientist used a special device to measure the velocity ratio of the particles.
科学家使用一种特殊的装置来测量粒子的速度比。