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 subject about which one is totally ignorant Main Entry: book
随便看	pericardia pericarditis pericardium pericarp perichondrium periclase periclinal pericranium pericycle periderm peridot perigee periglacial perigynous perihelion peril perilune perilymph perimeter perinatal perineum period periodic periodical periodic function

英语词典包含66266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。