英语释义

1. 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)

2. an extremely large measure of comparison (as of distance, time, or quality)
seems like light-years ago has light-years more talent two minutes and yet light-years away from the crowded village
— Suzanne Patterson

3. a unit of distance equal to the distance that light travels in one year (about 5.88 trillion miles or 9.46 trillion kilometers)

4. a unit of length in astronomy equal to the distance that light travels in one year or about 5.88 trillion miles (9.46 trillion kilometers)

英汉例句

• 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。

• A light-year love already has come to an end, how to let we die of love rebirth?

  一光年的爱恋已到了尽头，如何让我们死去的爱重生？

• If I when the scientists, most want to invent thing that UFO, UFO very fast speed, the highest is a light-year per minute, so humans can take a UFO to explore the mysteries of the universe.

  如果我当上科学家，最想发明的东西就是UFO, UFO的速度非常快，最高是每分钟一光年，这样人类就可以乘ufo探索宇宙的奥秘。

• You are that most dazzling big stars if the distance between one light-year is as far as distance between you and me, Because the whole night sky has you, will just be so bright, so beautiful.

  一光年的距离一光年的距离就像你和我之间的距离那样远你就是那颗最最耀眼的大星星，整个夜空因为有你，才会那么明亮，那么美丽。而我，我就是你身边那颗不会有人注意的小星星，那样平凡，那样暗淡。

• Scientists have already proposed that a hidden star, which they call 「Nemesis,」 might exist a light-year or so away from our sun.

  科学家已经提出，这颗隐藏的暗行星，他们将它命名为「Nemesis」，可能存在于距离我们的太阳大约一光年的地方。

• By 2011 debris in the center of the ring, which is about a light-year in diameter, was blazing more intensely as the supernova entered a new stage of stellar demise.

  到2011年为止，因为这个超新星进入了星球消亡的新阶段，所以这环物质中心直径大约是一光年的碎片燃烧的更加强烈了。

• None of those planets are like Gliese 581 g, a rocky world about three times the mass of Earth orbiting — along with five sibling planets — a red dwarf star 20 light-year from Earth.

  以上说到的行星没有一个像Gliese 581g——一个轨道是地球三倍的满是巖石的世界——还有五个姊妹行星——一个距地球20光年的红矮星。

• Within just a light-year of the black hole swarm more than 100,000 other stars caught far more firmly in its grip.

  仅在黑洞的一光年范围内就云集着另外十多万颗恒星，处在它更牢固的掌控之中。

• Clues might include the high 1000-kilometer per second speed of the expelled gas, the light-year long length of the structure, and the magnetism of the star visible above at the nebula「s center.

  线索可能包括每秒1000千米的高速喷出气体，长度以光年计的结构，和上图中可见的星云中心恒星的磁性。

• It spans about 3,000 light-years in diameter, compared to the Milky Way」s 100,000 light-year diameter.

  它的直径大约为3000光年，而银河系的直径有100000光年。

• The visible universe contains at least 10100 bits of entropy, which could in principle be packed inside a sphere a tenth of a light-year across.

  整个可见宇宙起码含有10100位元的熵，这么多的熵原则上可以塞进直径为1/10光年的圆球内。

• A light-year means how far light travels in one year.

  一光年就是光行走一年所通过的距离。

• It「s about 2 light-years long and half a light-year wide. It」s located about 2, 000 light years away in the direction of the Constellation Cygnus.

  它大约有2光年长、半光年宽，位于天鹅座方向，距地球约2,000光年。

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