light-year

1. Optical antenna Astronomers use light-year to talk about distance in space.
   光学[光波段]天线天文学家用光年表示宇宙空间的距离。
2. A light-year love already has come to an end, how to let we die of love rebirth?
   一光年的爱恋已到了尽头，如何让我们死去的爱重生？
3. In order to millions upon millions light-year that as soon as flickers reunion, I'd give anything!
   为了亿万光年的那一瞬重逢，我愿意付出一切！
4. A light-year is the distance light travels in one year.
   一光年是光运行一年所走的距离。
5. A light-year is the distance light travels in one year at a speed of 299,792 kilometers per second.
   一光年是光以每秒299792公里的速度在一年中所走过的距离。
6. A light-year is about 6 trillion miles, the distance light travels in a year.
   一光年大约6百亿亿英里，即光行走一年的距离。
7. Outdoor can guarantee a light-year anti-fade capability.
   户外可以保证1年的抗光褪色能力。
8. The observable universe grows by a light-year every year as light from farther away has time to reach us.
   可观测宇宙的范围，会因来自更远处的光线到达我们这里而每年向外长大一光年。

noun

1. the distance that light travels in a vacuum in 1 year

   Synonym:    light year