英语词汇d regions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	d regions
释义	D region 【物理学】D 区(离地球表面约60～90公里处的电离层的最低部分)[亦称作D layer]
随便看	assortive assortive mating assortment assortments assort with assot Assouan assouans as sound as a bell ass over teakettle ass peddler ASSR assr. assrs asss ass-sucker asst asst. asstd. asstd as steadfast as a rock as steady as a rock as stiff as a poker as stiff as a post as stiff as a rampway

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。