grayout灰朦(因氧气缺乏而引起的暂时性视觉模糊)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 orthogonal poynomial灰色正变多项式gray mater of spinal cord脊髓灰质Gray-breasted Sabrewingn.灰胸刀翅蜂鸟Gray-necked Wood-Railn.灰颈林秧鸡Gray-spotted Flycatchern.灰斑鹟gray-scale reproduction灰度再现Gray-backed Camaropteran.灰背拱翅莺gray matter concentration灰质密度gray scale transformation灰度级变换grayish aqua colour cloth灰碧色布