“闭关自守政策”概念、定义、翻译-科学时代

单词	闭关自守政策
释义	政治学词汇手册闭关自守政策 closed-door policy
随便看	film apparatus film archive filmarone film art film art director film assembly film assembly film author film backing film badge film badge film badge film base film base film base film base film bearing film bin film boiling film boiling film boiling film boiling film boiling film box film bulletin

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。