英语词汇“light year”的英英意思、用法、释义、翻译、读音、例句、短语、词组-英语词典

单词	light year
释义	light year noun /ˈlaɪt jɪə(r)/, /ˈlaɪt jɜː(r)/ /ˈlaɪt jɪr/ jump to other results (astronomy) the distance that light travels in one year, 9.4607 × 1012 kilometres The nearest star to earth is about 4 light years away. Topics Spacec2 light years [plural] a very long time Full employment still seems light years away. The new range puts us light years ahead of the competition.
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