Light year 或 light-year 是“光年”的意思,是用来测量恒星、星系和行星之间的天文距离的长度单位。一光年等于光在一年中所走过的距离:9.4607 × 10¹²公里,但因其包含 year,所以也会被误用为时间的单位。 Light 意为“光”时,是不可数名词,因此要表示几光年,year 要用复数形式 years,这也是复合名词变成...
light-year───[天]光年 light creams───淡奶油 light meters───n.曝光表;照度计 first years───第一年 high gears───高速档 last years───去年 light airs───一级风;软风 双语使用场景 I had not eaten anything hot since my last dinner with Sean. It seemed light-years away.─...
美 英 na.【天】光年 复数:light-years 英汉 英英 网络释义 na. 1. 【天】光年 例句 释义: 全部,光年
The distance can be expressed inlight years. 距离可以用光年表示. 《简明英汉词典》 She says the French education system islight yearsahead of the English one. 她说法国的教育体制遥遥领先于英国。 柯林斯例句 I had not eaten anything hot since my last dinner with Sean. It seemed light-years away...
She says the French education system islight yearsahead of the English one... 她说法国的教育体制遥遥领先于英国。 柯林斯高阶英语词典 I had not eaten anything hot since my last dinner with Sean. It seemed light-years away. 上次和肖恩吃过饭后我就一直没吃过热菜热饭。好像已经过了很久很久似的。
是的，1 light years就是1光年，是一个计量距离的单位，用于测量远距离的天体间的距离。1光年约等于9460亿公里，是一个非常巨大的距离。
光速（Light-speed）：大约30万km/秒。1光秒：指光在1秒钟内传播的距离，约为29.9万km.1光年：指光在1年内传播的距离，月为0.46万亿km。光年是天文学测量距离的标准单位。从太阳发出的光到达地球大约需要8分钟。（那么，中国神话小说中说的天上1日，等于地上1年，会有什么关联呢？）光从距离...
light-years 释义 请查阅词条:light-year 随便看 felicitously felicitousness felicitousnesses felicity feline felines felinity felix mendelssohn felix-mendelssohn felixmendelssohn felix-the-cat Felix the Cat fell fell fella fellah fellahin fellas fellatio fellator fellatory felled feller fellers felling 重音...
alsolight-year n. 1.The distance that light travels in a vacuum in one year, approximately 9.46 trillion kilometers (5.88 trillion miles). 2.oftenlight yearsInformalA long way:a small town light years away from the action of the capital. ...
The meaning of LIGHT-YEAR is a unit of length in astronomy equal to the distance that light travels in one year in a vacuum or about 5.88 trillion miles (9.46 trillion kilometers). How to use light-year in a sentence.