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 variation statistic灰度变化统计gray disaster prediction灰色灾变预测gray-doped modification掺灰改性gray communicating branch灰交通支Gray-scale watermarking灰度水印Gray-crowned Tyrannuletn.灰顶姬霸鹟Gray Correlation Analyses灰色关联分析gray-scale static image灰度图像gray correlative analysis灰色关联分析gray-level run-length灰度游程