| 单词 | E region | 
| 释义 | Word Frequency E region or E layer noun a region of the ionosphere, extending from a height of 90 to about 150 kilometres. It reflects radio waves of medium wavelength    Also called: Heaviside layer, Kennelly-Heaviside layer.  See also ionosphere  | 
	
| 随便看 | 
英语词典包含233703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。