light-year
英 ['laɪt'jɪr] 美 ['laɪt'jɪr]

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

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