英语词汇“a closed book”的英英意思、用法、释义、翻译、读音、例句、短语、词组-英语词典

单词	a closed book
释义	a closed book a person or subject that is unknown or beyond comprehension chemistry is a closed book to him See full dictionary entry for book
随便看	errantries errantry errata erratic erratical erratically erraticism erratum errhine Er Rif erring erringly erroneous erroneously erroneousness error error correction error-free errorist errorless error message error of closure error of judgement error of judgment ERS

英语词典包含233703条英英释义在线翻译词条，基本涵盖了全部常用单词的英英翻译及用法，是英语学习的有利工具。