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单词	E region
释义	E region noun : the part of the ionosphere occurring between about 55 and 80 miles (90 and 130 kilometers) above the surface of the earth and containing the daytime E layer and the sporadic E layer Word History First Known Use 1930, in the meaning defined above
随便看	aases aasvoel aasvogel aasvogels AAU AAUP AAUW AAVE ab ab absurdo ab aeterno ab ex ab extra ab incunabulis ab initio ab intra ab ovo ab ovo us ab ovo usque ad mala ab uno dis ab uno disce omnes ab urbe condita ab utili ab-ex aba

英语词典包含469781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。