Redhe雷德redadj.红色的n.红色red cell chimera红细胞嵌合体red-letter dayn.大喜日子；圣徒之节日reducible hernia能复性疝,可复性疝red gain control红色增益第器red control grid"红色"枪控制栅极red-glass test红玻片试验:检斜视reduibility test稀释性能试验red fluorescence红色荧光材料red ferric oxide红氧化铁,铁红Red mature fruit红熟果实