grayingn.变灰动词gray的现在分词.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-rumped Swallown.灰腰燕gray-patch ringworm[医] 灰斑癣gray profile histogram灰度剖面直方图Gray dawn awoke him.微弱的晨曦惊醒了他。gray scale information灰色标度信息gray weighted distance灰度加权距离gray-scale rendition灰度重现Gray-crowned Babblern.灰冠弯嘴鹛gray relevant analysis灰关联分析Gray Relative Analysis灰色关联分析