Security Council

Từ điển Oxford Advanced Learner 8th

the Seˈcurity Council 7 [Security Council] BrE NAmE (also the ˌUN Seˈcurity Council, the ˌUnited Nations Seˈcurity Council) noun singular
the part of the United Nations that tries to keep peace and order in the world, consisting of representatives of fifteen countries
See also: ↑United Nations Security Council

Culture:
Five members of the Security Council are permanent (Britain, China, France, the Russian Federation and the US). Any decisions it makes must be agreed by a majority of its members, including all five of the permanent members.