U.N. member countries的用法和樣例：
例句
- Since all the countries are members of UN,there should be no reason why Switzerland should not join UN.
由于所有的國家都是聯(lián)合國成員國，瑞士沒(méi)有理由不加入。 - United Nations member states met informally on Thursday to begin talks on key issues of reforming the body's powerful Security Council.
聯(lián)合國成員國星期四舉行非正式會(huì )議，開(kāi)始討論有關(guān)聯(lián)合國安全理事會(huì )改革的一些要害問(wèn)題。
