light-year 详细解释

light-year

['lait'jir]

n. 光年

英英释义

名词 light-year:

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

补充

light-yearlight-year英:[ˈlaɪtˌjɪə] 美:[ˈlaɪtˌjɪr]n.1.光年

例句

1. a star about 10 light-years away*10光年之遥的恒星 2. This new technology puts the company light-years ahead [=very far ahead] of its competitors.这项新的技术让公司遥遥领先于其竞争对手。 3. A cure for that disease is still probably light-years away.想要治愈那种病,恐怕是遥远的未来的事。