Greyan格列扬greyadj.灰色的n.灰色vi.变成灰色=<美>graygrey tube cloth圆筒坯布grey cobalt ore砷钴矿grey field slugn.灰蛞蝓Grey Grass Wrenn.灰草鹩莺grey humic acid灰色胡敏酸,灰色腐植酸grey chronology灰度年表grey iron block铁砖Grey Shearwatern.灰鹱Grey Butcherbirdn.灰钟鹊(铃鹊科)grey cotton yarn木色棉纱