“item difficulty”概念、定义、翻译-科学时代

单词	item difficulty
释义	心理学词汇手册 item difficulty 项目难度
随便看	Australian totemism Australian wine Australian Women's Weekly Australia，New Zealand and United States Pact（ANZUS Pact） Australoid Australoid Australo-Negroid Australopithecines australopithecus Australopithecus Australopithecus Australopithecus africanus Australopithecus habilis Australopithecus promethecus Australopithecus robustus Austria-Hungary Austrian pine Austrian pine Austrian school Austrian school Austrian State Treaty Austrian Succession War Austrian Treaty Austrian wine Austro-French Agreement

科学时代收录了1160609条科普词条，基本涵盖了常见科普常识及英语词汇的翻译，是科学学习和研究的有利工具。