| 单词 | Appleton layer |
| 释义 | Appleton layer /apˈl-tən lāˈər/ (physics)nounAn ionized region in the atmosphere, about 150 miles up, that acts as a reflector of radio waves ORIGIN: Sir Edward Appleton (1892–1965), British physicist |
| 随便看 |
|
英语词典包含305067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。