英语词汇period of concrete operations的读音、用法、中文释义、短语词组及例句-英汉双解词典

单词	period of concrete operations
释义	period of concrete operations 释义具体运思期
随便看	triple offset triple of numbers Triple Oil Paste triple operation triple-option triple option triple packer triple parabiose triple pass triple-pass boiler triple passing tone triple pass passages triple pass roll triple-pass scanner triple pathogens triple pen triple petticoat bell shaped insulator triple-phase triple phase line triple-phase line triple-phase region triple phoshate crystals triplephosphate triple phosphate triple phosphate crystals

英汉双解词典包含4367426条英汉词条，基本涵盖了全部常用单词的翻译及用法，是英语学习的有利工具。