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 Broadbilln.灰头阔嘴鸟
gray wedge sensitometer灰(色光)楔感光计
gray linear programming灰色线性规划
gray- gade ultrasound相关灰阶超声
Gray associate analysis灰色关联分析
Gray Character Matching灰度特征匹配