光年
英语翻译
参考释义
- 光年[guāngnián]
- -{天}lightyear
双语例句
The distance of a light year boggles the imagination.
A light year is the distance which light travels at186,000 miles per second in one year, namely6 million million miles.
The brightest star in the constellation Cygnus, approximately1,630 light-years from Earth.
A double star in the constellation Gemini, the brightest star in the group, approximately46 light-years from Earth.
