light-year是什么意思_light-year用英语怎么说_light-year的翻译_light-year翻译成_light-year的中文意思_light-year怎么读,light-year的读音,light-year的用法,light-year的例句

Early light - year ( AD 319 years ) after the establishment of Zhao crown.

光 初二年 ( 公元319年 ) 称王建立后赵.

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A light - year is the distance light travels in one year.

一 光年 是光运行一年所走的距离.

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Astronomers use light - year to talk about distance in space.

天文学家用 光年 表示宇宙空间的距离.

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More than one million light - year !

超过一百万 光年!

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Do you know the light year?

你知道光年 吗 ?

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It is over 4 light - year away from earth.

它距地球4 光年 多.

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And one light year is the distance that light travels in a year . 1.

一光年就是光在一年中传播的距离.

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A light - year is about 6 trillion miles, the distance light travels in a year.

一 光年 大约6百亿亿英里, 即光行走一年的距离.

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And one light year is the distance that light travels in a year.

和一架轻型今年是距离光在一年.

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We are lagging behind at China with the speed of light - year, overtook impossibly again.

我们正在以光年的速度落后于中国, 不可能再追上了.

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The distance travelled by light in one year is called a light year.

光在一年内行经的距离称作1光年.

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The distance traveled by light in one year is called a light year.

一光年的距离大得令人难以想象.

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