英语词汇“speed of light”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

speed of light

释义

Noun: speed of light

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
- light speed, c

Type of: constant, speed, velocity

Encyclopedia: Speed of light

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