grayestadj.灰色的；苍白的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-level gathering degree灰度聚集度gray relative analysis method灰色关联法Gray matter of occipital lobe枕叶灰质gray level coocurrence matrix灰度共生矩阵Gray-to-binary conversion格雷码－二进制码变换Gray-breasted Rufous Fantailn.灰胸扇尾鹟grayscales uneven distribution非均匀分配Gray-headed Gerygone Warblern.灰头吵刺莺gray scale ultrasonic contrast灰阶超声造影增强Gray situation decision method灰色局势决策方法