单词 | sky wave |
释义 | sky wave in British Englishnoun a radio wave reflected back to the earth by the ionosphere (ionospheric wave), permitting transmission around the curved surface of the earth Compare ground wavesky wave in American English a radio wave that is reflected back to earth from one of the layers of the ionosphere |
随便看 |
|
英语词典包含298861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。