| 释义 |
sky-wave 英s'kaɪw'eɪv美s'kaɪw'eɪv
基本英英例句
天波¹⁰⁰
名词 sky wave:
a radio wave that is reflected back to earth by the ionosphere or a communications satellite; permits transmission around the curve of the earth's surfaceOn striking the earth, the sky wave bounces back again.一打到地面，天波又弹跳回来。
We need to install a space wave transmission set-up here.我们需要在这里安装一台天波发射装置。 |