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speed of light

/spiːd əv laɪt/

翻译: 光速是物理学中的基本常数,指能量、物质和信息在真空中传播的最大速度,约为每秒299,792,458米。

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phrase

/spiːd əv laɪt/C1formalscientific
  • zh光速是物理学中的基本常数,指能量、物质和信息在真空中传播的最大速度,约为每秒299,792,458米。

A scientific term referring to the universal physical constant representing the maximum speed at which all energy, matter, and information in the universe can travel, approximately 299,792,458 meters per second in a vacuum.

  1. Physical constantB2formal

    The speed at which light travels in a vacuum, approximately 299,792,458 meters per second.

    zh光速

    • The speed of light is a fundamental constant in physics.
    • Nothing can travel faster than the speed of light.
    • Einstein's theory of relativity is based on the speed of light.
  2. Extreme speedB1informal

    Used informally to describe something that moves or happens extremely fast.

    zh光速

    • The new internet connection is like the speed of light.
    • He finished the race at the speed of light.
    • She responded to the email at the speed of light.