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-level gradient灰度梯度Gray-cheeked Nunletn.灰颊尼gray scale resolution灰度等级分辩率Gray matter of insula脑岛灰质gray scale projection灰度投影gray clustering model灰色聚类模型Gray Tit-Flycatchern.灰蝇鹟gray incidence degree灰色关联度Gray level difference灰度差Gray Chanting Goshawkn.灰歌鹰