请输入您要查询的英文单词:

 

单词 light-year
释义 Noun: light-year
  1. The distance that light travels in a vacuum in 1 year; 5.88 trillion miles or 9.46 trillion kilometres
    - light year

Derived forms: light years, light-years

Type of: astronomy unit

Encyclopedia: Light-year

随便看

 

英语词典包含157790条英英释义在线翻译词条,基本涵盖了全部常用单词的英英翻译及用法,是英语学习的有利工具。

 

Copyright © 2004-2022 Newdu.com All Rights Reserved
更新时间:2024/12/21 20:38:38