grey D灰Dgreyadj.灰色的n.灰色vi.变成灰色=<美>graygrey cotton netting本色网布Grey-Markov model灰色-Markov模型grey sheeting split有缝布grey dynamic models灰色预测模型grey lime roof deck青灰背平屋顶grey cluster theory灰色聚类理论grey heron scapular灰苍鹭羽毛grey fuzzy relation灰色模糊关系grey-scale signal灰度信号Grey Orthoquartziten.灰色正石英岩(沉积岩)