light-year

听听怎么读
英 ['laɪt'jɪr]
美 ['laɪt'jɪr]
是什么意思
  • n.

    光年;

  • 英英释义

    light-year[ 'laitjə: ]

    • n.the distance that light travels in a vacuum in 1 year; 5.88 trillion miles or 9.46 trillion kilometers

      同义词:light year

    学习怎么用

    双语例句

    用作名词(n.)
    1. The distance can be expressed in light years.
      距离可以用光年表示。
    2. A place that requires one year for light to reach is one light year distant from us.
      因此光需要一年时间才能到达的地方离我们也就是一光年的距离。

    权威例句

    Light Year
    Light-Year
    Light-Year
    Light-year Scale Radio Cores in Four LINER Galaxies
    Indianapolis courts making light-year leap to e-filing
    Alien star passed within a light-year of Sun just 70 000 years ago
    MP3 David Pritchard - Light-year
    The Origin of the 30 and 18 Million-Light-Year Separation of Single Galaxies and Clusters of Galaxies in the Filamentary Cosmic Netw...
    Galaxy Charts: The 1,000-Light-Year View of the Data
    Binary star, Constellation, Eridanus (constellation), Light-year, Double star, James Dunlop
    Extrasolar planet, Light-year, Constellation, Ara (constellation), Star, HD 154857
    Deep in the Hundred-Light-Year Wood
    Million-light-year galaxies and spectral forests
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