light year
noun/ˈlaɪt jɪə(r)/, /ˈlaɪt jɜː(r)/
/ˈlaɪt jɪr/
- (astronomy) the distance that light travels in one year, 9.4607 × 1012 kilometres
光年（指光在一年中走过的距离，为 9.4607 × 1012 公里） - The nearest star to earth is about 4 light years away.
地球离最近的恒星大约为 4 光年。
- The nearest star to earth is about 4 light years away.
- light years[plural] a very long time
长久地 - Full employment still seems light years away.
充分就业好像依然遥遥无期。 - The new range puts us light years ahead of the competition.
这个新的系列让我们远远领先于竞争对手。
- Full employment still seems light years away.