light hour
Noun | 1. | light hour - the distance light travels in a vacuum in one hour; approximately one billion kilometers |
单词 | light hour | |||
释义 | light hour
light hour
Words related to light hour
|
|||
随便看 |
英语词典包含2567994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。