相关单词近义词 speed 速度, swiftness 迅速, quickness 急速, haste 急速, rate 比率, pace 速度, rapidity 迅速, celerity 敏捷临近词velvet, vellum, velocity aid, velocity lag, velocity rod, velocity gain, velocity cube, velocity slip, velocity rule, velocity gate, velocity jump, velocity wave 返回 velocities