buffer
noun7 搭配平均频率: 7.2
buffer state6.5
缓冲国
A neutral country situated between two larger hostile countries, serving to prevent the outbreak of regional conflict.
位于两个敌对大国之间的中立国家,用以防止地区冲突爆发。
提供缓冲
To offer or supply something that serves as a protective barrier.
提供或供给可用作保护屏障的东西。