“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	silver silver silver silver silver silver age Silver Age silver alloy silver alloy silver amalgam silver beet silverbelly silver birch silver brazing silver bream silver bromide print silver bronze silver carp silver certificate silver chloride silver chloride silver chloride electrode silver conger silver crucible silver currency

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。