Peacekeepers are soldiers who are members of a peacekeeping force.
例句
There's been much fear that the United Nations peacekeepers would be under attack in a situation like that.人们非常担心联合国维和士兵在这种局势下会遭到攻击。
N-COUNT
和平维护国；和平维护组织
If you describe a country or an organization as a peacekeeper, you mean that it often uses its influence or armed forces to try to prevent wars or violent conflicts in the world.
例句
They want the United Nations to play a bigger role as the world's peacekeeper...他们希望联合国发挥更大的世界和平维护者的作用。Russia's record as a peace-keeper is mixed.俄罗斯作为维和国家的记录有好有坏。