greyadj.灰色的n.灰色vi.变成灰色=<美>grayGrey batn.灰鼠耳蝠greycingn.用 grey hound 之竞赛grey fur灰苔greywaren.灰体greyskin灰胡椒鲷greyheadn.老人greybackn.灰背类动物=grayback.grey pea红豌豆greystonen.[地]玄武石grey wolfn.【动物；动物学】灰狼