请输入您要查询的字词:

 

单词 light year
释义 light year
A unit of distance used in astronomy; the distance travelled by light in a vacuum during one year. It is equal to 9.4650 × 1015 metres or 5.8785 × 1012 miles
随便看

 

物理辞典收录了3346条物理词条,基本涵盖了常用物理知识及物理英语单词词组的翻译及用法,是物理学习的有利工具。

 

Copyright © 2000-2023 Newdu.com.com All Rights Reserved
更新时间:2025/6/24 20:38:26