光年 meaning in Chinese
[天文学] light year
Examples
- They could detect signals from civilizations 1, 000 or more light-years away .
它们能探测来自1000光年或更远的文明世界的信号。 - 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。 - In either case the ships will be at a distance of one or two light-years from the star. there won't be any crash .
无论发生哪种情况，飞船与那颗恒星的距离将是一或二光年。不会发生任何碰撞事故。 - The great nebula is a cloud of glowing gas centered on four hot, blue stars located about 1, 500 light-years from the earth .
这个大星云是以离地球大约1500光年的四颗很热的蓝星为中心的发光气体云。 - Buzz lightyear of star command - cantonese version
巴斯光年星河系历险旅程-粤语版