n.顶点；高层会议；最高阶层；adj.最高级的；政府首脑的； 变形： 复数：summits 双语释义：n.(名词)[C] (山等的)最高点,峰顶 highest point; top, especially of a mountain[C] 高阶层会议 meeting between heads of two or more governments英英释义： summit[ 'sʌmit ]n.the highest level or degree attainable; the highest stag