相关单词近义词 speed 速度, quickness 急速, rapidity 迅速, promptness 敏捷, hastiness 火急, swiftness 迅速, haste 急速, hustle 催促, fleetness 快速, fastness 要塞, nimbleness nimble的名词形式..., rapidness 快, celerity 敏捷临近词SpeedVac, speed, speed adjusting gear, speed of blood fllow, speed variable motor, speed identification, Speed-varying load, speed changing ratio, speed-up capacitor, speed of application, speed-length ratio, speed reducing alarm 返回 speediness