Rediun.雷迪乌(在罗马尼亚；东经 27º29' 北纬 47º12')redadj.红色的n.红色reducible repressentation可约表示reducible envelop algebra既约包络代数reduplicative vague words叠音模糊词redistribution at surface表面再分布redistribution of moments弯矩再分配reducing energy intensity节能降耗red signal repeater relay红灯信号复示继电器Red-breasted Flycatchern.红喉鹟(鹟科)red cell iron utilization红细胞铁利用率, 红细胞铁利用red koji health care wine红曲保健酒