grayeradj.灰色的；苍白的grayadj.灰色的；暗淡的n.灰色；暗淡v.变灰色；使 ... 变灰色Grayn.格雷(男子名)gray predction灰色预测Gray Seedeatern.浅灰食籽雀gray corrosion灰色蚀斑gray mold rots灰霉病gray incidence灰色关联Gray rs points格雷氏点gray parameter灰参数gray cast iron灰铸铁,灰口铁gray relevance灰色关联度gray forge pig可锻灰生铁