Greyer格赖尔greyadj.灰色的n.灰色vi.变成灰色=<美>grayGrey Junglefowln.灰原鸡greying temples灰白的鬓发greyish-white灰白色grey commissura灰(质)连合greyish-greenn.灰绿色grey correlated灰色关联grey prediction灰色预测grey collection灰色聚类grey goose down灰鹅绒Grey flying foxn.灰狐蝠