英语词汇secular variation怎么读，是什么意思，单词翻译、读音、固定搭配用法和短语词组及例句-英汉双解词典

单词	secular variation
释义	secular variation 【地球物理学】长期变化[亦作 geomagnetic secular variation]
随便看	exultant exultantly exultation exultations exulted exultingly exult over exumbrella exumbrellas ex uno disce omnes exurb exurban exurbanite exurbanites exurbia exurbias exurbs exuviae exuviaes exuvial exuviate exuviated exuviates exuviating exuviation

英汉双解词典包含483723条英汉词条，基本涵盖了全部常用单词的翻译及用法，是英语学习的有利工具。