英语词汇“light speed”的英英意思、用法、释义、翻译、读音、例句、短语、词组-英语词典

单词

light speed

释义

Noun: light speed

The speed at which light travels in a vacuum; the constancy and universality of the speed of light is recognized by defining it to be exactly 299,792,458 meters per second
- speed of light, c

Derived forms: light speeds

Type of: constant, speed, velocity

Encyclopedia: Light speed

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