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	hemocytometer hemodialyses hemodialysis hemodialyzer hemodilution hemodynamic hemodynamically hemodynamically hemodynamics hemoflagellate hemoglobin hemoglobinometer hemoglobinopathy hemoglobinuria hemoglobinuric hemoid hemoid hemolymph hemolyses hemolysin hemolysis hemolytic hemolyze hemolyze hemophile

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。