英语词汇“a closed book”的意思、用法、释义、翻译、读音、例句、短语、词组-英汉翻译词典

单词	a closed book
释义	a closed book [ə kləʊzd buk] freq. 26 dict. 10 spoken 4 un.控告；不可告人的谜 [网络]合上的书；一本合上的书；高深莫测的事物
随便看	welder construction welder-diver welder eye welder gloves welder goggles welder lung welder,-or welder performance qualification test welder pneumoconiosis welder rectifier welders welder's welders and flame cutters welders and flame-cutters welder's arc burns welder's chipping hammer welder's clipping hammer welder's conjunctivitis welder's eye welder's faceshield welders gauntlets welder's gauntlets welders gloves welder's gloves welders goggles

英汉翻译词典包含4368284条英汉汉英翻译词条，基本涵盖了全部常用英语单词及常用语的翻译及用法，是英语学习的有利工具。