multilateralist

Bush Sr. chose to give the speech at the United Nations for a reason: America was the preeminent power, but he was a multilateralist.
老布什选择在联合国发表演说乃事出有因：美国是超级大国，而他是多边主义者。
More specifically, we stand ready to cooperate and assist where we can as Chinese diplomacy takes on an increasingly multilateralist cast.
而且更为重要的是，我们随时准备配合中国外交采取的多边动作，并在可能的方面给予我们必要的支持。
"If only we had a real multilateralist across the Atlantic we could do such things . . . " The sentence was not usually completed.
“要是大西洋对岸有一位真正的多边主义者该多好，我们就可以做这些事情……”这样的句子通常都没有结尾。
The european union appeared multilateralist to a fault, if not downright divided.
欧盟则似乎多边过头了，如果说不上彻头彻尾的分裂的话。