英语单词分类 轻松记单词

更新时间:2024-04-30 16:31:40

light-year

英 ['laɪt'jɪr]

美 ['laɪt'jɪr]

n.光年

  • 英英释义

noun

1. the distance that light travels in a vacuum in 1 year
5.88 trillion miles or 9.46 trillion kilometers

Synonym: light year

相关列句
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。)
Captured here are the top of a three-light-year-tall pillar of gas and the dust that is being eaten away by the brilliant light from nearby bright stars.(照片所捕获的是由气体和尘埃所组成,高达3光年的巨柱的顶端。它被附近明亮恒星们的耀眼光芒所遮盖。)
For the last three years, light shows on the Bund have been successfully held for New Year's Eve celebrations, but this year the light show was canceled and there were fewer police on hand.(在过去的三年里,外滩的灯光表演在新年前夜的庆祝活动上成功举办,但今年的灯光表演被取消了,现场的警察也减少了。)
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。)
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。)
For six months of the year, there is hardly any light at the poles.(一年中的6个月里,地球的两极几乎没有任何光线。)
In MACSJ0717, a 13-million-light-year-long stream of galaxies, gas and dark matter -- known as a filament -- is pouring into a region already full of galaxies.(在130万光年长的MACSJ0717,气体和暗物质(就像灯丝一样)正在进入一个已经充满了星云的地带。)
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?)
This image was produced by combining a dozen Chandra observations made of a 130-light-year region in the center of the Milky Way.(这张照片是多张钱德拉天文台的照片合成的,显示的是130光年远的银河系的中心部分。)
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,这麽多的熵原则上可以塞进直径为1/10光年的圆球内。)
light-year是什么意思 light-year在线翻译 light-year什么意思 light-year的意思 light-year的翻译 light-year的解释 light-year的发音 light-year的同义词
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