Rewindn.回绕, 倒带 Rwanda卢旺达 Right Wingn. 右翼 right winger右边锋 RWSISTANCE WELDING电阻焊 Radiological Warfare辐射战争 Radiation Work辐射工作 Rolling Walker (medical product)滚动沃克(医疗产品) Radiological Warhead放射弹头 Round the World (airfare construction)环游世界(机票建筑) Robertson-Walker Metric (an exact solution of Einstein's field theory of relativity)Robertson-Walker度量(一种精确解,爱因斯坦的相对论的领域) Rain Shower (weather reports)阵雨天气报告 Real World真实的世界 Random Walkn. 随机游动(无规行走) Runwayn. 跑道(悬索道, 河床, 滑沟)