英语词汇positive-ion sheath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	positive-ion sheath
释义	positive-ion sheath 【电子学】正离子层
随便看	collectable collectables collectanea collectaneas collected collected edition collectedly collectedness collectest collect eyes collectible collectibles collecting box collecting tubule collecting tubules collection collection agencies collection agency collectional collection and delivery collection-and-distribution service collection box collection plate collection plates collections

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。