“closed shelves”概念、定义、翻译-科学时代

单词	closed shelves
释义	图书馆、情报与文献学词汇手册 closed shelves 珍籍库
随便看	flagger flag leaf flag lieutenant flagman flagman flag of convenience flag of convenience flag of convenience flag of convenience flag of convenience ship flag officer flag of truce flagon flagpole flagpole antenna flagpole signal flag rank flagrant violation flagroot flag secretary flag sequence flagship flagship flagship flagship product

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。