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light-year
[ˈlaɪt jɪə(r); ˈlaɪt jɜː(r)] [ˈlaɪt jɪr]

  • n. 光年;很长时间

网络释义专业释义英英释义

  光年

光年light-year) 指光以299,792,458米/秒的速度在真空中1年所走的距离。1光年约相当于94,605亿公里或63,240天文单位。

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短语

Buzz light year 巴斯光年 ; 太空人巴斯光年 ; 巴兹光年 ; 光年

One light year 一光年

Buzz light year Astro Blasters 巴斯光年星际历险

light year 光年

Buzz Erik light year 一位名为巴兹·艾瑞克

Buzz light year Astro Blaster 巴斯光年星际历险

Buzz light year mission log 巴斯光年任务日志

light- year 光年

Pink light-year 粉色光年

 更多收起网络短语
  • 光年 - 引用次数:1

    参考来源 - 宇宙演化的综述和因果链

·2,447,543篇论文数据,部分数据来源于NoteExpress

light-year [ 'laitjə: ]

  • 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

以上来源于: WordNet

 柯林斯英汉双解大词典 

light year

  • 1. 

    N-COUNT A light year is the distance that light travels in a year. 光年

    例:

    ...a star system millions of light years away.

    …数百万光年之外的一个星系。

  • 2. 

    N-COUNT You can say that two things are light years apart to emphasize a very great difference or a very long distance or period of time between them. (差异) 极大; (距离、年代) 极远 [非正式]

    例:

    She says the French education system is light years ahead of the English one.

    她说法国的教育体制远比英国的先进。

双语例句原声例句权威例句

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

    直径大约为3000光年,而银河系的直径有100000光年

    youdao

  • This image was produced by combining a dozen Chandra observations made of a 130-light-year region in the center of the Milky Way.

    张照片多张钱德拉天文台照片合成的,显示的是130光年远的银河系的中心部分。

    youdao

  • 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.

    2011年为止,因为这个超新星进入了星球消亡阶段,所以物质中心直径大约一光碎片燃烧更加强烈了。

    youdao

更多双语例句
  • Campaigners have slammed the verdict, calling the two-year prison term for the former top managers "too light."

    VOA: standard.2010.06.10

  • The experts expect their one-year global probe into secret detention centers to shine more light on the extensiveness of these facilities and how they operate.

    VOA: standard.2009.03.21

  • The trial of Iraqi journalist Muntader al-Zaidi, who shot to fame after flinging his shoes at former President George Bush during a press conference last December in Baghdad, ended with a relatively light three-year sentence.

    VOA: standard.2009.03.12

  • Gould's estimate of a 15, 000-light-year distance to the new planet is an approximation, and he says he will need more data to refine the number.

    BBC: Artist's concept of a distant world (BBC)

  • Astronomers think there are thousands of fledgling stars in 30 Doradus, a significant fraction of the original generation of stars, packed into a 600-light-year-wide nebula.

    CNN: Stellar nursery in nearby galaxy teems with activity

  • The black holes are separated by an estimated distance of less than a third of a light-year - cheek-to-cheek by black hole standards and significantly closer than the postulated binary system spotted by the Chandra X-ray Observatory in 2003.

    BBC: Dancing black hole twins spotted

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