| 单词 | light-year |
| 释义 | light-year 1 ENTRIES FOUND: plural light-years plural light-years Learner's definition of LIGHT-YEAR 1 [count] technical : a unit of distance equal to the distance that light travels in one year (about 5.88 trillion miles or 9.46 trillion kilometers)光年
2 light-years [plural] a — used to say that someone or something is much better or more advanced than others比…好得多
b — used to refer to a time that is or seems very far away久远的时间
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英汉双解词典包含109353条英汉词条，基本涵盖了全部常用单词的翻译及用法，是英语学习的有利工具。