• 灰白头发

greyingadj.灰白的动词grey的现在分词.greyadj.灰色的n.灰色vi.变成灰色=<美>graygrey decision- making灰局势决策Grey-throated Minivetn.灰喉山椒鸟Grey Markov Chain Model灰色马尔可夫链模型grey incidence decision灰色关联决策Grey relation appraisal投资风险grey polynosic shirting虎纤细纺坯grey forecasting theory灰预测理论grey category gathering灰色聚类grey relational entropy灰关联熵grey relevance analysis灰色关联分析