英语词汇sign and countersign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	sign and countersign
释义	sign and countersign (同党之间的)暗语，切口，口令
随便看	Joy joyance joyance,joyancy joyances joyancy joyant joybells Joyce Joyce Joyce Joyce Joycean joyceans Joyce,James joyces joye joyed joyes joyful joyfuller joyfullest joyfully joyfully joyfulness joyfulness

英汉双解词典包含548777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。