a brief introductionbrief是"既短又简"而shor只是"短"brief[bri:f]n.摘要,大纲adj.简短的,短暂的vt.摘要,(军事)下达简令briefbriefAHD:[br¶f] D.J.[bri8f]K.K.[brif]adj.（形容词）brief.er,brief.estShort in...