U.N. member countries

• 联合国成员国

U.N. member countries的用法和样例：

例句

1. Since all the countries are members of UN,there should be no reason why Switzerland should not join UN.
   由于所有的国家都是联合国成员国，瑞士没有理由不加入。
2. United Nations member states met informally on Thursday to begin talks on key issues of reforming the body's powerful Security Council.
   联合国成员国星期四举行非正式会议，开始讨论有关联合国安全理事会改革的一些要害问题。