“Bloc National”概念、定义、翻译-科学时代

单词	Bloc National
释义	历史学词汇手册 Bloc National 国民联盟（1919年法国大选获胜的中间党派同右翼党派的联盟）
随便看	backing coating backing compound backing condenser backing fabric backing material backing memory backing pages backing paper backing pump backing pump backing ring backing sand backing sand backing sheet backing store backing store backing strip backing strip backing strip backing up backing vacuum back inversion back issue back issue back jacket flap

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。