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light speed    我要挑错精准翻译

参考词典中light speed的常规释义:

基本释义
  • 空载排水量航速
参考例句
    1. The spaceship flies at light speed.
      宇宙飞船以光速飞行。
英英解释
  •  1个名词解释

    1. 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
      [同] c, light speed, speed of light
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