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 also light-year n. 1. The distance that light travels in a vacuum in one year, approximately 9.46 trillion kilometers (5.88 trillion miles). 2. often light years Informal A long way: a small town light years away from the action of the capital.
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