名词
中文翻译：光速圆柱体的速度
同义词：
['光速圆柱体速度，光速圆柱体速度例句：1. The velocity of light in vacuum is approximately 299', '792 kilometers per second.（真空中光速大约为每秒299', '792公里。）']
例句：
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1. The velocity of light in vacuum is approximately 299,792 kilometers per second.
真空中光速大约为每秒299,792公里。
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2.The velocity of light is constant in a vacuum.
在真空中光速是恒定的。
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3.The velocity of light is used to calculate the distance between two points in space.
光速被用来计算两个空间点之间的距离。