单词 | light year |
释义 | light year noun countable ■the distance that light travels in one year (about 9 500 000 000 000 kilometres) 光年(指光1年走过的距离,约为9.5×1012千米) noun countable light years away ■an extremely long time from now in the past or future (时间上)极其遥远的 •It all happened when I was at college, which seems light years away now that I'm over fifty.那都是发生在我上大学期间的事情,已经非常遥远了,我现在都已经50多岁了。 |
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