英语词汇“protyle”的英英意思、用法、释义、翻译、读音、例句、短语、词组-英语词典-现代词典

单词	protyle
释义	protyle protyle (ˈprəʊtaɪl) or protyl n (Chemistry) a hypothetical primitive substance from which the chemical elements were supposed to have been formed[C19: from Greek prōt- proto- + hylē substance]
随便看	operational effectiveness operational effectiveness demonstration operational effectiveness systems operational effectiveness tests operational efficiency factor operational efficiency initiative operational electronic intelligence operational element operational elint operational emergency management team operational employment concept operational employment testing and evaluation operational empty weight operational energy operational engineering bulletin operational engineering support operational environment operational environment documentation operational equipment list operational equivalence operational error operational error detection program operational evaluation operational evaluation command operational evaluation demonstration

英语词典包含2567994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。