“light-year”的意思

单词 light-year
释义 light-year n 1 (astronomy 天) distance that light travels in one year (about 6 million million miles) 光年. 2 light-years [pl] (infml fig 口, 比喻) a very long time 极长的时期     Genuine racial equality still seems light-years away. 真正的种族平等似乎仍遥遥无期.

 

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