graylagn.[鸟]灰色雁(雁的一种)grayadj.灰色的；暗淡的n.灰色；暗淡v.变灰色；使 ... 变灰色Grayn.格雷(男子名)Gray-headed Albatrossn.灰头信天翁Gray Correlative Method灰色关联法gray-scale sonography二维超声gray conection analysis灰色关联分析gray level symme- try灰度对称gray correlation method灰色关联法gray equivalent therapy格特, 戈(瑞)治疗当量gray-fuzzy clustering灰色模糊聚类gray-scale level mask灰度掩模gray-tone soft tissue灰色调软组织[声像图检查所见]