相关单词同义词velocity, speed, readiness, 近义词 speed 速度, velocity 速度, expedition 远征, celerity 敏捷, haste 急速, fastness 要塞, rapidity 迅速, quickness 急速, fleetness 快速, pace 速度, speediness 快速, dispatch 派遣, alacrity 敏捷, precipitousness 险峻临近词swift 返回 swiftness