Greyan格列扬greyadj.灰色的n.灰色vi.变成灰色=<美>graygrey wooded soil灰色森林土grey fancy cloth提花布坯grey and dry fur灰干苔grey goose broad灰鹅矢grey predication灰色预测grey association灰色关联法grey swing model灰色摆动模型Grey ART Cluster灰色ART聚类grey scale image灰度图grey grass colth原色夏布