英语词汇first-order spectrum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	first-order spectrum
释义	first-order spectrum 【光谱学】一级光谱
随便看	encopretic encore encored encoring encoring a encounter encounter a complete defeat encountered encounter group Encounter Groups encounter parlour encounter theory encounter with encourage encouraged encouraged by encourage ... in encourage in encouragement encouragements encourager encouragers encourages encouragest encouraging

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。