national adj.民族的；国家的；全国性的；国立的；国有的n.国民（复）nationals:全国性比赛.
双语例句
The library laws play a very important role in American librarianship. 摘要美国图书馆法对图书馆事业的发展起了很大作用。
The striker and balances mean the justness of law, while the reading people looks like studing library laws and regulations. 法槌及天平代表无私的法律，而翻阅书籍的人们，则宛若探讨图书馆法与相关法规。
