The United Nations, or UN, is a global organization that is meant to promote peace and good relations between countries.

联合国，简称UN，是一个旨在促进和平与友好的全球性组织,2PTyXt,_7。

Before the UN, many countries were members of an organization called the League of Nations, which was created after the end of World War I for the purpose of preventing future global conflicts.

在联合国成立之前，许多国家都是国际联盟的成员，这个组织是第一次世界大战结束后为防止全球冲突而建立的4E,-Z+yge)_&4)15R。

However, World War II began less than 20 years after the creation of the League of Nations.

然而，第二次世界大战在国际联盟成立不到20年后爆发了wV(xqH&5]%|,F.CE+hx。

The term “United Nations” was first used to refer to 26 countries that pledged to unite against the Axis powers in 1942.

第一次使用“联合国”一词是在1942年，用来代表联合对抗轴心国的26个国家yLirymgyr*pXI。

The UN was officially established on October 24, 1945, after the war had ended.

1945年10月24日，二战结束后，联合国正式成立a)V;+N!)Lm)。

By then, 51 countries were members.

当时，联合国已有51个成员国~#mebU~t2e。

Today, 193 countries are members of the United Nations.

如今，联合国共有193个成员国iN;6_UO7^D@@xvJn。