Greyan格列扬greyadj.灰色的n.灰色vi.变成灰色=<美>graygrey-prediction灰预测grey-box method灰盒方法Grey Markov Model灰色马尔可夫模型grey distribution灰度分布Grey gentle lemur灰驯狐猴(狐猴科)grey system model灰色模型Grey level's rategrey eyes/hair灰色的眼睛；灰白的头发grey duck feather灰鸭毛grey relationship灰色关联度