英语短语词组词汇a closed book的音标、释义、翻译、用法及例句-英语短语词组词典-老街网

短语	a closed book
释义	a closed book 完全不懂的学科；尚未揭开的秘密，不为人所知的事，无法理解的事(或人)；高深莫测的事物；谜
随便看	thir thiram third third age third ager Third Agriculture Third Agriculture Revolution Third Avenue El third base third baseman third bases third-best third class third-class third classes third-class mail third-class mails third-class matter third contact third day third degree third-degree third-degree burn third-degree burns third-degreed

老街网英语短语词组词典共收录525608条英汉双解短语词组词条，基本涵盖了全部常用短语词组的翻译及用法，是英语学习的有利工具。