light-year怎么读

英式音标：[\'laɪt\'jɪr]

美式音标：[\'laɪt\'jɪr]

light-year基本解释

n. 光年

light-year的意思释义

n.

光年；

英英释义

n.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

light-year用法及例句

双语例句

用作名词(n.)

The distance can be expressed in light years.

距离可以用光年表示。

A place that requires one year for light to reach is one light year distant from us.

因此光需要一年时间才能到达的地方离我们也就是一光年的距离。

例句参考

Light-Year

Light-Year

Light-year Scale Radio Cores in Four LINER Galaxies

Indianapolis courts making light-year leap to e-filing

Alien star passed within a light-year of Sun just 70 000 years ago

MP3 David Pritchard - Light-year

The Origin of the 30 and 18 Million-Light-Year Separation of Single Galaxies and Clusters of Galaxies in the Filamentary Cosmic Netw...

Galaxy Charts: The 1,000-Light-Year View of the Data

Binary star, Constellation, Eridanus (constellation), Light-year, Double star, James Dunlop

Extrasolar planet, Light-year, Constellation, Ara (constellation), Star, HD 154857

Deep in the Hundred-Light-Year Wood

Million-light-year galaxies and spectral forests

light-year相关例句

1.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。

4.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。

light-year相关单词

lightyear