greyout灰晕,灰暗greyadj.灰色的n.灰色vi.变成灰色=<美>graygrey forecasting method灰色预测理论grey incidence analysis灰色关联分析greyblue spicebush leaf山胡椒叶grey situation decision灰局势决策greyblue spicebush root山胡椒根grey box identification灰箱辨识Grey-scale ultrasound灰阶超声grey relevancy analysis灰关联分析grey mould of egg plant茄子灰霉病grey blended ramie yarn本色苎麻绲纺纱